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posted by Anonymous on Monday, August 22, 2011 at 7:48pm.
What mass of MgSO4 · 7 H2O is required to prepare 300 mL of a 0.511 M MgSO4 solution?
How many moles MgSO4.7H2O do you need? That is M x L = moles. grams = moles/molar mass. Solve for grams.
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