Problem- a) How many mL of a 45.0% (m/v) solution of NaCl would you need in order to have 12.0 g of NaCl?
b) A bottle of wine contains 750.0 mL of wine. If the wine is 12.00% (v/v) alcohol, how many mL of alcohol are in the bottle of wine?
c) A mixture of alcohol and water is 28.00% (v/v) alcohol. How many L of the mixture do I need in order to have 250.0 mL of alcohol?
d) A mixture of salt and water is 28.0 g salt and 60.0 g water. What is the % (m/m) salt?
e) A salt water mixture is 33.0% (w/w) salt. If there are 300.0 g salt in the mixture, what is the total weight of the mixture?
f) A sand-water mixture weighs 38.6 g. If the mixture is 15.0% (m/m) water, how many grams of water are in the mixture?
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