Question
How many grams of KI must be added to a 250-ml volumetric flask to prepare a water solution that is 0.100 M in potassium iodide?
Answers
How many mols KI do you want? That's mols = M x L = ?
Then mols = grams/molar mass. You know mols and molar mass, solve for grams.
Then mols = grams/molar mass. You know mols and molar mass, solve for grams.
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