Q: QUESTION 4 How many milliliters of 0.132 M HCIO 4 solution are needed to neutralize 50.00 mL of…
A:
Q: 10 M) Phenolphthalcin is an acid indicator that you used in Act B3. It is made only of the clements…
A:
Q: Classify each chemical compound listed in the table below. type of compound (check all that apply)…
A: 1) HCIO4 are Ionic and Acidic compound. Explain : Perchloric acid is reacting with the Water as…
Q: What is the percent magnesium hydroxide, if a sample of magnesia magma weighing 5.2430g when…
A: By law of equivalence : Number of equivalents of Mg(OH)2 = equivalents of H2SO4 + equivalents of…
Q: Question 11 of Determine the number of moles in 4.21 x 10" molecules of Caci, STARTING AMOUNT ADO…
A: Given, Molecules of CaCl2= 4.21×1023 We have to find the no of mole of CaCl2
Q: Get the amount of sodium in mg in one serving of the snack food.
A: It is given a label of snack of food and the amount of sodium that is present in one serving of…
Q: Info provided: Formula mass of KHP is 204.22g/mol Mass of KHP(g) is 1.9970g Vol. of NaOH is 33.23…
A:
Q: Which of the following statements is/are correct about the figures below? Select all that apply.
A: Given : diagrams
Q: 3. Fill in the blanks below. CHINTST meldey9 Solution [H+] M g (OH-] M pH pOH n2.4 x 105 B 4 76x10-6…
A: Formulas used: [H+] × [OH-] = 10-14 pH = -log[H+] pOH = -log[OH-] pH + pOH = 14
Q: Question 8 of 11 Determine the number of moles in 4.21 x 1023 molecules of CaCl2 STARTING AMOUNT ADD…
A: Number of moles can be calculated as = given mass/molar mass of the given compound
Q: Br Method 1: 1) t-BUOK 2) H30 3) PCC 4) MeMgBr 5) H2O 6) PCC Method 2: 1) NaOH 2) PCC 3) MeMgBr 4)…
A:
Q: Which of the following is the correct formula weight for calcium phosphate? O 310.2 amu O 135.1 amu…
A: The correct option is (a) Formula weight of calcium phosphate is 310.166g/mol Formula of calcium…
Q: Find moles HC2H302 in vinegar sample Volume of vinegar sample transferred, ml-25.00 mL Molarity of…
A: The moles of CH3COOH present in vinegar sample is calculated by the following formula,
Q: A A A |=、而、王王三 田、 Shape Fill 2.A.三三== Shapes Arrange Quick Styles Shape Outline Shape Effects…
A: Applying concept of determination of empirical formula.
Q: Answer Which of the following equations are NOT balanced? ZnCl2 + NaOH → Zn(OH)2 + NaCl CuCO3 +…
A: The Chemical reaction follows the law of conservation of mass. According to the law of conservation…
Q: 1 pc What is the coefficient that should be placed in front of lead (IV) iodide (Pbl4)? * Nal +…
A: We can finish the equation by balancing the equation.
Q: Solution is a Homogeneous mixture Select one: True False
A: Homogeneous mixture is defined as in which solute is mixed throughout the solvent and equally…
Q: he amount of
A: Since you have asked multiparts, we will solve the first three subparts for you. If you want any…
Q: Dapsone tablets, labelled 50 mg has an average tablet weight of 0.6509 g. 2.0g of powdered tablets…
A: Given: Dapsone tablets, labelled 50 mg has an average tablet weight of 0.6509 g. Mass of powdered…
Q: Name Date Sect. Data Report Sheet: Quantitative Analysis of Group III Cations Unknown # 2I Draw the…
A: Group 3 cation involve Cr3+ , Al3+ , Ni2+ and Fe3+.
Q: Given: Volume of sample = 50.00 mL NaOH (mL) used = 33.20 mL Molarity of NaOH = 0.09693 M Molar…
A: Answer:- firstly from the chemical reaction of acetic acid and NaOH, molarity of acetic acid…
Q: Question 4 The number of valance electrons of Zinc(Zn30) is 1 30 None of the above
A: Answer -2 Valence electron means number electron present in outermost shell
Q: 39.2 mg NaCl in 126.1 mL of solution Express the molarity in moles per liter to three significant…
A:
Q: Fe(NO3)3.9H₂0 + Bi(NO3)3.5H₂O + HNO3 (dil) iron nitrate nonahydrate A + C4H606 Tartaric acid bismuth…
A: The given series of reactions are the method of synthesis of homogenous solution of polymeric…
Q: VISUALIZATION Determining an Empirical Formula Carbon-Hydrogen Analysis Unit Furnace HOabsorber Co,…
A: Concept is based on empirical formula and combustion.
Q: Dapsone tablets, labelled 50 mg has an average tablet weight of 0.6509 g. 2.0g of powdered tablets…
A: The balanced reactions given are, 1) NaNO2 + HCl → HNO2 + NaCl2) R-NH2 + HNO2 + HCl → R-N2Cl + 2 H2O…
Q: Find the empirical formula with solution: d) Ba3(PO4)2 e) Te4I16
A: We know that, Simplest ration of the any molecular formula is known as empirical formula.
Q: Question 14 Which expression below show the correct method of determining the percent composition of…
A: Na2CO3 contains two sodium atoms.
Q: QUESTION 15 What volume (in mL) of a stock solution of potassium hydroxide with a concentration of…
A: Given Molarity of Stock solution ( M1 ) = 3.01 M Molarity of Target solution ( M2 ) =…
Q: ata Table 1. Analysis of Alka-SelltzerⓇ Mass of acetic acid Density of acetic acid Concentration of…
A:
Q: Why do we need safety precaution when checking electrolyte level
A: Safety precautions are taken while checking electrolyte level of a battery like: 1. Workers should…
Q: What is the coefficient that should be placed in front of sodium iodide (Nal)?* NalOs Nal + 02…
A: Stoichiometry describes relationship of amount of reactant and product. To understand chemical…
Q: Compute: % of Ca in calcium phosphate. O a. 39% O b. 30% O c. 29.62%
A:
Q: 16 and 17. Make two compounds of copper and oxygen. lon Name lon Symbol Anion/Cation How Many?…
A: Copper has two oxidation states, copper(I) and copper(II). Oxygen has only one oxidation state is…
Q: Vhat is the molarity of the solution with respect to NaCl? Express your answer using two significant…
A:
Q: What is the net ionic equation of the reaction of MgSO, with Sr(NO3)2? Express you answer as a…
A: Given: Two reactants are given that is magnesium sulfate and strontium nitrate To find: To write the…
Q: How many hydrogen atoms are in 0.1488 g of phosphoric acid , H,PO,? STARTING AMOUNT ADD FACTOR…
A: Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: 3. A ga When t of mole
A:
Q: Carbon Monoxide concentration can be measured by using specialized plastic bag and thru direct…
A: Carbon monoxide concentration can be measured by plastic bag and through direct reading matter, that…
Q: How many moles of NaOH will be needed to neutralize 0.33 mol of H2SO4? The following equation is…
A: This is a neutralization reaction of acid and base. H2SO4 has two acidic proton while NaOH has only…
Q: water sample has a hardness reported to be 107 ppm CacO3. Assuming the only hard ion is calcium what…
A: The answer to the following question is-
Q: Which of the following are insoluble in water? Select all that apply Group of answer choices…
A: all hydroxides are insoluble in water except Na+ K+ Ca2+ Ba2+ Hence Lu(OH)3 is insoluble in water.…
Q: in acid) balanced ÅStcloz+4H> As +3clo+HyO3
A: In the given redox reaction, the oxidation state of As increases from 0 in As to +3 in H3AsO3.…
Q: A KNO3 solution is made using 82.4 g of KNO3 and diluting to a total solution volume of 1.20 L.…
A: Calculate the molarity of the solution, Molarity = moles of solutevolume of solvent (L)
Q: Iron(II) sulfide + potassium = ANSWER IN WORDS ONLY!!!
A: Potassium displaces the Fe from its salt FeS because potassium has more negative reduction potential…
Q: Initial volume of buret (mL) 1.90 Mass of KHP (g) 2.075 Observations color change Final volume of…
A: Given data,Mass of KHP=2.075gInitial volume=1.90mLFinal volume=34.78mL
Q: Hi in the picture I just wanted to ask what the circled formula says I can't tell if it's zn and…
A:
Q: Binary / Ternary Formula Chemical Name Ionic / Acid/Base/ Molecular Salt/Hydrate 24. Hydrobromic…
A: 24) HBr 25) Molecular 26) CuSO4.10H2O 27) Ternary 28) Hydrate 29) Chromic acid 30) Acid 31) Barium…
Step by step
Solved in 2 steps
- 0.1745 g of primary standard Na2C2O4 is used to set a freshly prepared KMnO4 solution and 30.24 mL of KMnO4 solution is spent at the turning point. Since 36.92 mL of this KMnO4 solution is consumed for the determination of iron in 0.5618 g ore sample, calculate the amount of iron in the ore in terms of % iron (III) oxide and % iron (III) chloride. (Fe: 56, K: 39, Mn: 55, O: 16, Na:23, C: 12, Cl: 35.5 g/mol) (Please type answer)b My Questi x Co. How to Ca X N NSU Login X PeriodicTa X M Action Re x 0 mySigTau XG 4.25 ml to X ( NBA FinalX G scientific X + enow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator%3Dassignment-take [References] A 1:1 mixture by moles of nitrous oxide and oxygen is often used as a sedative in dentistry. If the total pressure of this mixture in a cylinder is 3.75 atm, what is the partial pressure of each gas? Partial pressure of nitrous oxide = atm Partial pressure of oxygen = atm Submit Answer Try Another Version 3 item attempts remaining Previous Next Email Instructor Save and Exit Cengage Learning | Cengage Technical SupportThe following chemical equations shows the stepwise Formation Constant expression (K₁ tok3) of each 0x replaces to K₁- water +C2042. S [Fe(C₂04)] +C204² [Fe(C₂04)₂] +C204²) [Fe(ox)] [Fe3+][0x] K₂ = [FeC₂04)]* => [fe (Goy)₂ ] + [Fe(C₂04)₂] 3- [FeCox₂] [Fecoxt] [ox] K3 = a) write the overall formation Constant (KF or Bs) demonstrating that the by the product of Constants. [FeCox)33] [Fe(ox₂][x] experssion KF is given the three stepwise
- A2.880 g sample contain thiourea (NH,),CS (76.12 amol) was extracted into a dilute H,SO, solution and titrated with 35.42 mL of 0.008221 M Hg according to the following reaction 4(NH2)2CS+Hg*. [NH,)2CS],Hg Calculate the %((NH2),CS in the sample? 1 090.829 % 2 O0.005% 3. 03.079 9% 4 045 44 %You have 10 mL of an 8% aqueous solution of H2Cl6Pt. (a) Calculate the platinum in this solution as wellas (b) the molar concentration of the platinum in this solution. The density of the solution is 1.05 kg.L-1.a. Calculate the % Pt in the solution: b. Calculate the molar concentrationof the platinum in the solution. [What are the respective concentrations (M) of Mg2+ and Cl- afforded by dissolving 0.325 mol MgCl2 in water and diluting to 250 mL? A) 0.0013 and 0.0013 B) 2.60 and 2.60 C) 1.30 and 2.60 D) 1.30 and.1.30 E 0.0013 and 0.0026
- Which of the following salts does NOT cause permanent hardness? B CaCl, © M8SO, OCa(HCO,), 2A. 1.4639 g sample of limestone was analyzed for Fe, Ca and Mg. The iron was determined as Fe2O3, yielding 0.0357 g Calcium was isolated as CaSO4, yileding a precipitate of 1.4058 g and Mg was isolated as 0. 0627 g of MgP2O7. Report the amount of Febas %w/w Fe2O3, Ca as %w/w CaO and Mg in the limestone sample as % w/w MgOIlow many grams of an ointment base must be added to 45 g of clobetasol (TEMOVAT E) ointment, 0.05% w/w, to change its strength to 0.03% w/w?
- What are the respective concentrations (M) of Cu+2 and Cl- afforded by dissolving 0.200mol CuCl2 in water and diluting to 345 mL?A) 0.200 and 0.200 B) 0.580 and 1.16 C) 0.200 and 0.400 D) 1.16 and 2.32E) 0.580 and 0.290Name: Date: Section: Data Report Sheet: Determination of Iron by Reaction with Permanganate: A Titration Unknown # We 01 X E Trial I Trial II III [BL Mass of Unknown 0.512 Initial Burette mL 0.00 mL Final Burette mL 20.5mL mL 0.2 Total MnO, Added Moles MnO, Added Moles Fe?+ Present Grams Fe²* Present Weight % Fe Average Weight % Fe in Sample2. A 0.5131-g sample containing KBr is dissolved in 50 mL distilled water. Titrating with 0.04614 M AgNO3 requires 25.13 mL to reach the Mohr endpoint. A blank titration requires 0.65 mL to reach the same endpoint. Report the % (w/w) KBr in the sample. [Ans. 26.19 % (w/w)]