Asked by Bob

How many grams of K2Cr2O7 (Potassium dichromate) must be used to make 250 ml of a0.125 M solution?

Answers

Answered by DrBob222
How many mols do you need? That's mols K2Cr2O7 = M x L = ?
Then mols = g/molar mass. You know mols ad molar mass. solve for grams.
Answered by Jackie
0.10622g
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