Asked by katie
What is the mass percent of a solution if 42.9 grams of aspirin is dissolved into 175 mL of ethanol? (Density of ethanol is 0.789 g/mL)
1. 31.1 %
2. 24.5 %
3. 23.7 %
4. 19.7 %
1. 31.1 %
2. 24.5 %
3. 23.7 %
4. 19.7 %
Answers
Answered by
DrBob222
Use the density to calculate the mas of the 175 mL ethanol.
Add mass ethanol to mass aspirin.
mass % = (mass aspirin/total mass)*100 = ?
Add mass ethanol to mass aspirin.
mass % = (mass aspirin/total mass)*100 = ?
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