Chemistry Help Molarity? - Freemason Hirams Travels Masonic Forums

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02-27-2008, 09:37 PM

John S..

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Chemistry Help Molarity?

Caculate the Molarity

1 49.7g (NH4)2C4H4O6 in 250 ml of solution
2 20g CoSO4 in 500 ml of solution
3 3.86g Fe(NO3)2 in 100 ml of solution
4 0.49g CaCl2 in 340 ml of solution

5 How much nickel (II) chloride is needed to make one liter of 2M solution?

6 How much silver fluoride is needed to prepare 1000ml of 1.5M solution?

7 How would you prepare 100 ml of 0.1M CoCl2 from a 0.52M solution of CoCl2?

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