1. Suppose you had 58.44 g of NaCl and you dissolved it in exactly 2.00 L of water. What would be the molality? 2. Calculate the molarity of 25.0 grams of KBr dissolved to 750.0 mL. 3. Eighty grams of glucose (C&H12O6, MW = 180. g/mol) is dissolved in enough water to make 1.00 L of solution. What is its molarity?

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1. Suppose you had 58.44 g of NaCl and you dissolved it in exactly 2.00OL of water. What
would be the molality?
2. Calculate the molarity of 25.0 grams of KBr dissolved to 750.0 mL.
3. Eighty grams of glucose (CoH12O6, MW = 180. g/mol) is dissolved in enough water to
make 1.00 L of solution. What is its molarity?
4. When 2.00 grams of KMNO4 (MW = 158.0 g/mol) is dissolved into 100.0 mL of solution,
what normality results? How many grams of KMNO4 are needed to make 500.0 mL of
a 0.200 N solution?
5. Ten grams of acetic acid (CH3COOH) is dissolved in 500.0 mL of solution. What is the
molarity?
6. How many mL of solution will result when 15.0 g of H2SO4 is dissolved to make a 0.200
M solution?
7. Convert 0.169 Molar HC2H3O2 to % (m/V).
8. One gram of sodium hydroxide pellets is dissolved in two hundred-fifty milliliters water.
What is the molarity, molality and normality of the solution? Assume that the density
of solution to be approximately that of the water and the density of sodium hydroxide
pellets to be 2.13 g/cm3.
Transcribed Image Text:1. Suppose you had 58.44 g of NaCl and you dissolved it in exactly 2.00OL of water. What would be the molality? 2. Calculate the molarity of 25.0 grams of KBr dissolved to 750.0 mL. 3. Eighty grams of glucose (CoH12O6, MW = 180. g/mol) is dissolved in enough water to make 1.00 L of solution. What is its molarity? 4. When 2.00 grams of KMNO4 (MW = 158.0 g/mol) is dissolved into 100.0 mL of solution, what normality results? How many grams of KMNO4 are needed to make 500.0 mL of a 0.200 N solution? 5. Ten grams of acetic acid (CH3COOH) is dissolved in 500.0 mL of solution. What is the molarity? 6. How many mL of solution will result when 15.0 g of H2SO4 is dissolved to make a 0.200 M solution? 7. Convert 0.169 Molar HC2H3O2 to % (m/V). 8. One gram of sodium hydroxide pellets is dissolved in two hundred-fifty milliliters water. What is the molarity, molality and normality of the solution? Assume that the density of solution to be approximately that of the water and the density of sodium hydroxide pellets to be 2.13 g/cm3.
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