How many grams are in 0.25 moles of kci?
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How many grams are in 0.25 moles of kci?
The relative mass of KCl is (39.1 + 35.5) = 74.6
So, 1 mole of KCl has a mass of 74.6 g.
Can you find the mass of 0.25 mol of KCl now?
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