A 70% (V/V) solution of isopropyl alcohol is expressed as:
A. 70 mL isopropyl alcohol/100 mL of solution.
B. 70 mL isopropyl alcohol/100 mL of water.
C. 70 g isopropyl alcohol/100 mL of solution.
D. 70 mL isopropyl alcohol/100 g of water.
Answer: A
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