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Chemistry 10 Online
OpenStudy (anonymous):

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

OpenStudy (anonymous):

@isherron

OpenStudy (anonymous):

514g

OpenStudy (anonymous):

how did you come to that answer?

OpenStudy (nechirwan):

1 mole of KCl = 39+35.5 = 74.5g so moles : grams 1 : 74.5 6.9 : ? ? = 6.9 X 74.5 = 514.05

OpenStudy (anonymous):

(Mols of substance)(Molar mass of substance/1mol) (6.90 mols)(74.55 g KCl/1 mol)

OpenStudy (anonymous):

Thanks :)

OpenStudy (nechirwan):

welcome ^_^

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