Only 33 plz 4.31 Concentrated sulfuric acid (18.3 M) has a density of 1.84 g/mL.(a) How many moles of H2S04 are in each milliliter of solution?(b) What is the mass % of H2SO4 in the solution?Problems in Context4.32 Ordinary household bleach is an aqueous solution of sodiumhypochlorite. What is the molarity of a bleach solution that con-tains 20.5 g of sodium hypochlorite in 375 mL? 20.5 g of sodiumhypochlorite in 375 mL?4.33 Muriatic acid, an industrial grade of concentrated HCI, is usedto clean masonry and cement. Its concentration is 11.7 M. (a) Writeinstructions for diluting the concentrated acid to make 3.0 gallons of3.5 M acid for routine use (1 galmany milliliters of the muriatic acid solution contain 9.66 g of HCI?4.34 To study a marine organism, a biologist prepares a 1.00-kgsample to simulate the ion concentrations in seawater. She mixes26.5 g of NaCI, 2.40 g of MgCl2, 3.35 g of MgSO4, 1.20 g ofCaCl2, 1.05 g of KCI, 0.315 g of NaHCO3, and 0.098 g of NaBr indistilled water. (a) If the density of the solution is 1.025 g/cm,what is the molarity of each ion? (b) What is the total molarity ofalkali metal ions? (c) What is the total molarity of alkaline earthmetal ions? (d) What is the total molarity of anions?4 qt; 1 qt = 0.946 L). (b) How4.35 Water "softeners" remove metal ions such as Ca2+ and Fe+by replacing them with enough Na ions to maintain the samefnumber of positive charges in the solution. If 1.0x10° L of "hard"water is 0.015 M Ca2+ and 0.0010 M Fet, how many moles ofNat are needed to replace these ions?3+Writing Equations for Aqueous lonic ReactionsConcept Review Questions4.36 Which ions do not appear in a net ionic equation? Why?4.37 Write two sets of equations (both molecular and total ionic)with different reactants that have the same net ionic equation asthe following equation:2NONO. (aa)

Given Molarity (initial) = 11.7 M Molarity of solution = 3.5 M mass of HCl = 9.66 g

4.33 Muriatic acid, an industrial grade of concentrated HCI, is used to clean masonry and cement. Its concentration is 11.7 M. (a) Write instructions for diluting the concentrated acid to make 3.0 gallons of 3.5 M acid for routine use (1 gal many milliliters of the muriatic acid solution contain 9.66 g of HCI? = 4 qt; 1 qt = 0.946 L). (b) How %3D A 24 T e atud. niat

4.33 Muriatic acid, an industrial grade of concentrated HCI, is used to clean masonry and cement. Its concentration is 11.7 M. (a) Write instructions for diluting the concentrated acid to make 3.0 gallons of 3.5 M acid for routine use (1 gal many milliliters of the muriatic acid solution contain 9.66 g of HCI? = 4 qt; 1 qt = 0.946 L). (b) How %3D A 24 T e atud. niat

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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