One cup of fresh orange juice contains 139 mg of ascorbic acid (vitamin C, C6H8O6). Part A Given that one cup = 265.4 mL, calculate the molarity of vitamin C in orange juice. Express your answer to an appropriate number of significant figures with the appropriate units. НА M= Value Submit Request Answer ? Units
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- A chemist prepares a solution of iron (II) bromide (FeBr₂) by measuring out 0.50 g of FeBr, into a 100. mL volumetric flask and filling to the mark with distilled water. Calculate the molarity of Br anions in the chemist's solution. Be sure your answer is rounded to 2 significant digits. esc Fr 0 Continue 55°F Mostly clear ♫x F1 ! mol L F2 @ F3 4 F4 x10 Q Search LA X F5 % C S G F6 A 6 F7 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Acc 8 P 8 & 7 F8 OC F9 DELL prt sc F10 home Submit Assign F11 end A F12 inserA student prepares a 0.95 mm aqueous solution of acetic acid (CH³CO₂H). Calculate the fraction of acetic acid that is in the dissociated form in his solution. Express your answer as a percentage. You will probably find some useful data in the ALEKS Data resource. Round your answer to 2 significant digits.A student prepares a 0.28 mM aqueous solution of acetic acid (CH,CO,H). Calculate the fraction of acetic acid that is in the dissociated form in his solution. Express your answer as a percentage. You will probably find some useful data in the ALEKS Data resource. Round your answer to 2 significant digits. |% x10
- Calculate the solubility of copper(II) hydroxide (Ksp = 2.20 × 10-20) in pure water in grams per 100.0 mL of solution. Express your answer in grams per 100 milliliters of solution to three significant figures. ? solubility = g per 100.0 mL of solution Submit Previous Answers Request AnswerA 335 −mL−mL can of soda pop contains 44 gg of sucrose (C12H22O11C12H22O11). Part A What is the molarity of the solution with respect to sucrose? Express your answer using two significant figures.Is the concentration of the solution prepared in the question below only approximate because sodium hydroxide is not a primary standard? * Find the mass in grams of sodium hydroxide that will be required to prepare a solution with a concentration of 0.500 mol·dm⁻³ in a 250 cm³ volumetric flask. [Round the answer to three decimal places. Do not type in the unit. Use a decimal point.] *
- A 30 mL sample of vinegar is titrated with 39 mL of 0.5 N Sodium Hydroxide. What is the normality of the acetic acid (CH3COOH) in vinegar? Atomic Weights :Sodium - 22.99Oxygen - 15.999Hydrogen - 1.008 Enter numerical value only; round off to 4 decimal places if necessarya 25.00 mL aliquot of vinegar was diluted to 250 mL in a volumetric flask. Titration of 50.00 mL aliquots of the diluted solution required an average of 34.88 mL of 0.09600 M NaOH. Express the acidity of the vinegar in terms of the percentage (w/v) of acetic acid (MM:60g/mol). Consider the correct significant figures of your answer and do not forget the unit.The toxicity of DDT (C14H9Cl5) led to a ban on its use in the United States in 1972. Determinations of DDT concentrations in groundwater samples from Pennsylvania between 1969 and 1971 yielded the following results: Location Sample Size Mass of DDT Orchard 253 mL 0.0310 mg Residential 1.77 L 0.0350 mg Residentialafter a storm 51.5 mL 0.570 mg Express these concentrations in millimoles per liter. Orchard= ___mmol/l Residental=___ mmol/l Residential after a storm=___ mmol/L
- Calculate the solubility of copper(II) hydroxide (Ksp = 2.20 × 10-20) in pure water in grams per 100.0 mL of solution. Express your answer in grams per 100 milliliters of solution to three significant figures. ΑΣφ a ха |X| X•10" solubility = 1.76 • 10¯7 g per 100.0 mL of solution %D Submit Previous Answers Request Answer Incorrect; Try Again; 4 attempts remaining Express the equilibrium concentrations of the formed ions in terms of S (the number of moles per liter of Cu(OH), dissolved) and substitute them into the expression for Kan:Calculate the molarity of the solution that results when 8.5 ml of CH3OH (methyl alcohol or methanol) is dissolved in 7.5 ml of water (CH3OH; density 0.792 g/mL) C = 12.01 H = 1.008 O = 16.00 Write this answer with one digit past the decimal point. (Important - Trailing zeroes count as digits - (e.g. 12.0 counts as one digit past the decimal point). The molarity is ______________________M72.1 g C2 H6O in 2.18 L of solution Express your answer using three significant figures. ? M molarity = Submit Request Answer Part C 12.59 mg KI in 110.4 mL of solution Express your answer using four significant figures. |V ΑΣφ molarity = Submit Request Answer Provide Feedback