Answer to Question #102840 in General Chemistry for Favor

Question #102840

You are provided with MgSO4.7H2O powder and asked to make a 100 mL, 1 Molar (1M) aqueous solution. How much powder you need to dissolve in 100mL H2O?

Expert's answer

The molar mass of MgSO4*7H2O is 246.46 g/mol

M=n/V, so n=0.1 mol and the nass of powder is 246.46g/mol*0.1mol=24.646 g

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