A 15.00 mL sample of hard water was titrated with a 0.0150 M EDTA solution. The titration required 26.72 mL of EDTA to reach the end point. What is the total hardness concentration of the water sample in ppm?

Q: Draw the major product of this reaction. Ignore inorganic byproducts. FeBr3 Br o

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Q: A buffer is made by mixing 40.00 mL of a 0.100 M solution of the fictitious acid HA (pKa = 6.44)…

A: Given,Molarity of fictitious acid, HA = 0.100 M    ( pKa = 6.44 )volume of HA = 40.00 mLMolarity of…

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Q: d. Draw arrow-pushing mechanism for an enzymatic retro-aldol reaction of the following hexose. Use…

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Q: The standard reaction free energy AG = -194. kJ for this reaction: SnO₂(s) + 2 CO(g) → Sn(s) + 2…

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Q: The overall redox reaction for a given galvanic cell is 2H+ (aq) + Fe(s)→→→→→Fe²+ (aq) + H₂(g).…

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Q: The product of the reaction shown will be which of the following? HBr A) achiral B) racemic C) cis…

A: Alkene gives an electrophilic addition reaction with hydrogen halide to form an alkyl halide.

Q: 24. 100.0 grams of glucose (180.16 g mol-¹) is dissolved in 1000.0 grams of H₂O (18.02 g mol-¹).…

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Q: 5. Determine the molar solubility of Fe(OH)3(s) in water, given its ksp to be 2.79 x 10-3⁹

A: Note: As per our guidelines, we are supposed to answer only one question when multiple questions are…

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Q: Condensed NOT skeletal!

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Q: How would the substitution reaction shown affect the configuration of the substrate? Select one:…

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A: To determine the compound formula we need to see the prefix or suffix used in the bameof the…

Q: 4. Determine the ksp of lead(II)iodide Pbl2 given its molar solubility in water to be 1.35 x 10-³…

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Q: Draw the major product of this reaction. Ignore inorganic byproducts. Br₂ CH3OH Drawing €

A: Given,The reaction:

Q: Name Lab Partner MgCO3 (s) Section # Pre-Lab Assignment: Stoichiometry Lab 1. In a lab experiment…

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Q: 18. For the reaction shown, select the expected major organic product. H₂ Lindlar's cat. I II III ?…

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Q: For if one exists. each reaction below, provide all possible products (including stereoisomers),…

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Q: 19. For the reaction shown, select the expected major organic product. I II Na/NH3 III ? IV V

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Q: Br₂ Which of the following is a likely intermediate in the mechanism for the reaction given above?…

A: The addition of bromine to an alkene in a nonpolar solvent produces vicinal dibromo alkane.

Q: The pKa of the weak acid HA is 4.49. If 0.17 mL of a 1.00 M solution of hydrochloric acid are added…

A: A buffer is a solution which resists any change in pH on adding a small amount of acid or base.It is…

Q: A 15.00 mL sample of 0.100 M citric acid, H3C6H5O7 (or C6H807), is titrated with 0.150 M NaOH at…

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Q: What is the major organic produc of the reaction below? 0000 A B с D Н3С CH3CN + CH3MgBr NH₂ CH А…

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Q: ночно поч вс

A: Alkyl halide reacts with nucleophile to give the substitution product.

Q: 6.50 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

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Q: Use Lewis symbols to show the formation of the ionic compound made from Ba and CI. Show the transfer…

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Q: 1. Under what circumstances is the molecular geometry around a central atom the same as the electron…

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Q: Question 8 of 10 What is the solubility of Cr(OH)3 at a pH of 9.50? (Ksp Cr(OH)3 is 6.70 x 10-3¹)

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Q: For a certain chemical reaction, the standard Gibbs free energy of reaction is 128. kJ. Calculate…

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Q: Which of the following could be added to a solution of ammonium chloride, NH4Cl, to produce a…

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Q: 4. Using Lewis theory, show and explain why nitrogen gas exists as a diatomic molecule. 5. For each…

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