Sunday
December 8, 2013

# Posts by cheri

Total # Posts: 156

chemistry
Calculate the molality of CsCl in a 19% by mass aqueous solution.

chemistry
When 0.025 moles of aluminum sulfate are dissolved in enough water to make 115 milliliters of solution, what is the molarity of sulfate ions? Answer in units of M

chemistry
We have an aqueous solution that contains 47% (by mass) of a hypothetical solute Z. The formula weight of the solute Z is 209 g/mol. The density of the solution is observed to be 1.3 g/mL. What is the molarity of Z in this solution? Answer in units of mol/L

chemistry
Sulfuric acid (H2SO4) is a very strong diprotic acid. If 0.062 moles of sulfuric acid is mixed with water to make 200 mililiter of solution, what is the molarity of H+? Answer in units of M

chemistry
How many milliliters of 5.5 M HCl must be transfered from a reagent bottle to provide 23 g HCl for a reaction? Answer in units of mL

chemistry
It takes 62 mL of 0.124 M KOH to neutralize 46.7 mL of H2SO4 solution. What is the concentration of the H2SO4 solution? Answer in units of moles/liter

ap chemistry
What volume of 6.58 M HNO3 is required to prepare 671 mL of a 2.7 M HNO3 solution? Answer in units of mL

chemistry
What mass of MgSO4 · 7H2O is required to prepare 300 mL of a 0.61 M MgSO4 solution? Answer in units of g

chemistry
What volume of 6.58 M HNO3 is required to prepare 671 mL of a 2.7 M HNO3 solution?

chemistry
It takes 62 mL of 0.124 M KOH to neutralize46.7 mL of H2SO4 solution. What is the concentration of the H2SO4 solution?

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