Question

How many grams of CuSO 4 are contained in 50grams of a 3.25% by mass CuSO 4
solution?

Answer 1

Answer:

19.90

Explanation:

Molar mass of CuSO

4

=63.5+32+4×16=159.5g

159.5 g CuSO

4

contains 63.5 g Cu

50 g CuSO

4

will have =

159.5

63.5

×50=19.90g Cu

Answer 2

Answer:

The correct answer is 19.90cu

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