1. a) An aqueous solution is made by dissolving 25.2 grams of iron(II) chloride in 415 grams of water. The molality of iron(II) chloride in the solution is_____ m. b)In the laboratory you are asked to make a 0.716 m magnesium nitrate solution using 315 grams of water. How many grams of magnesium nitrate should you add? _______grams. c)In the laboratory you are asked to make a 0.350 m cobalt(II) bromide solution using 13.5 grams of cobalt(II) bromide.
1. a) An aqueous solution is made by dissolving 25.2 grams of iron(II) chloride in 415 grams of water. The molality of iron(II) chloride in the solution is_____ m. b)In the laboratory you are asked to make a 0.716 m magnesium nitrate solution using 315 grams of water. How many grams of magnesium nitrate should you add? _______grams. c)In the laboratory you are asked to make a 0.350 m cobalt(II) bromide solution using 13.5 grams of cobalt(II) bromide.
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter15: Acid–base Equilibria
Section: Chapter Questions
Problem 98AP
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1.
a)
An aqueous solution is made by dissolving 25.2 grams of iron(II) chloride in 415 grams of water.
The molality of iron(II) chloride in the solution is_____ m.
The molality of iron(II) chloride in the solution is_____ m.
b)In the laboratory you are asked to make a 0.716 m magnesium nitrate solution using 315 grams of water.
How many grams of magnesium nitrate should you add?
_______grams.
c)In the laboratory you are asked to make a 0.350 m cobalt(II) bromide solution using 13.5 grams of cobalt(II) bromide.
How much water should you add?
______grams
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