How many mL of solution C are needed when using 75 mL of solution D?
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How many mL of solution C are needed when using 75 mL of solution D?
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Answer:
Answer
Mass of solute = 20 g
Volume of solution = 500 ml
Mass by volume percentage =
Volume of solution
Mass of solute×100
=
500
20×100
=4%
Hence, the correct option is D