The density of a solution made by dissolving 3 grams of substance in water is 2.15 g/mL. The mass/volume percent of the solution is 1239%. What is the mnass of pure water used to dissolve the solute? O 3.2150g O 7.7777g 2.2439g O 5.1500g

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Chapter1: Chemical Foundations
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The density of a solution made by dissolving 3 grams of substance in water is
2.15 g/mL. The mass/volume percent of the solution is 123%. What is the mass of
pure water used to dissolve the solute?
O 3.2150g
7.7777g
O 2.2439g
O 5.1500g
Transcribed Image Text:The density of a solution made by dissolving 3 grams of substance in water is 2.15 g/mL. The mass/volume percent of the solution is 123%. What is the mass of pure water used to dissolve the solute? O 3.2150g 7.7777g O 2.2439g O 5.1500g
The molarity of a concentrated sulfuric acid is 18.4 M. How much (in grams)
solute is present in a 20 mL sample of this acid? (Molar mass of sulfuric acid = 98
grams/mole).
O 36.064 g
O 7.345 g
O 3.8678 g
9.2 g
Transcribed Image Text:The molarity of a concentrated sulfuric acid is 18.4 M. How much (in grams) solute is present in a 20 mL sample of this acid? (Molar mass of sulfuric acid = 98 grams/mole). O 36.064 g O 7.345 g O 3.8678 g 9.2 g
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