3 years ago

How many grams of potassium chloride are in 6.90 moles? 10.8g 74.6g 257g 514g

1 answer:

3 0

The potassium chloride is KCl. The gram formula mass of KCl is 39+35.5=74.5 g/mol which means 74.5 g per mole of KCl. So the mass of KCl is 6.90*74.5=514 g.

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