passpadi

2003

Chemistry

JAMB

What mass of K2CrO4 is required to prepare 250cm3 of 0.020 mol dm-3 solution [K2CrO4 = 194.2g mol-1]

A.

0.97g

B.

9.70g

C.

19.42g

D.

97.10g

Correct Answer: 0.97g

Explanation

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