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

Answer 1

mols = M x L = ?

Answer 2

moles = grams/mol. wt.

4.141g/119mol.wt. = 0.03479832g

Answer 3

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