# Chemistry

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How many moles of KBr are present in 120mL of a 0.290M solution?

• Chemistry -

mols = M x L = ?

• Chemistry -

moles = grams/mol. wt.

4.141g/119mol.wt. = 0.03479832g

• Chemistry -

I'd rather do it in one step.
mol = M x L = 0.290 x 0.120 = 0.0348

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