How many grams of $Cl$ are in 515 g of $CaCl_2$ ?

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Answer 1 · 2016-06-03T23:12:39

$329 \ g \ Cl$

Molar atomic masses
Ca= 40.08 ; Cl= 35.45

Molar mass of $CaCl_2$
$MM_(CaCl_2)= 40.08 + 2×35.45 = 110.98 \ g.mol^-1$

$515\ g\ CaCl_2xx (1 \ mol.\ CaCl_2)/ (110.98 \ g \ CaCl_2) xx (2 \ mol. \Cl)/ (1\ mol.\ CaCl_2)xx (35.45 \ g \ Cl)/ (1 \ mol. \ Cl)$

$=329 \ g \ Cl$

How many grams of ClCl are in 515 g of CaCl_2CaCl_2?