Asked by Areej

How many grams of NaCl (MM= 58.5 g/mol) are needed to prepare 75.0 mL solution of 0.20 M concentration?
Answered by DrBob222
How many moles do you need? That's moles = molarity x Liters = M x L
You know M and L. Solve for moles.
Then grams = moles x molar mass = ?
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