2003
Chemistry
67ca00ce0c643c71d77dee1f
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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