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You need to make a .300 M solution of NiSO4 aq. Calculate the mass of NiSO4 6H2O you should put into a .100-L volumetric flasl

_____= mass in g

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How many mols do you need? That's mols NiSO4.6H2O = M x L = 0.3M x 0.1 L = ?
Then grams = mols x molar mass = ?

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