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500ml of 0.1M CaCl2 is required for protimes. How many grams of CaCl2 * H2O should you weight out?

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You need 0.500 x 0.1 = 0.05 moles CaCl2 or
0.05 moles x molar mass CaCl2 = ?? grams CaCl2.
Convert ?? g CaCl2 to CaCl2.H2O.

How do i convert g CaCl2 to g CaCl2*H2O?

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