Calculate how many moles of pure CaCl2 are present in the 1.00 g of CaCl 2 ⋅ 2H 2 O

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Chemistry

Ximena Roman

5 December, 04:38

Calculate how many moles of pure CaCl2 are present in the 1.00 g of CaCl 2 ⋅ 2H 2 O

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Campbell Russell · Answer 1

To find the amount in units of moles CaCl2, we need a few data for the conversion from grams to moles. Also, we need the ratio of CaCl2 to H2O from the hydrated form. We calculate as follows:

1.00 g CaCl2. H2O (1 mol / 128.9993 g) (1 mol CaCl2 / 1 mol CaCl2. H2O) = 0.008 mol CaCl2