What mass of K2CrO4 is required to prepare 250cm3 of 0.020 mol dm3 solution? [K2CrO4...
CHEMISTRY
JAMB 2003
What mass of K2CrO4 is required to prepare 250cm3 of 0.020 mol dm3 solution? [K2CrO4 = 194.2g/mol]
- A. 0.97g
- B. 9.70g
- C. 19.42g
- D. 97.10g
Correct Answer: A. 0.97g
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