Can someone please help me with these chemistry problem. Thanks.

Chemistry
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3Ca+2AlCl3-->3CaCl2+2Al

If you react 100 grams of AlCl3 with excess calcium, how many grams of CaCl2 are produced?

May 20th, 2015

molar mass of AlCl3=133.34 g/mol

molar mass of CaCl2=110.98 g/mol

2AlCl3~3CaCl2

100g/133.34g/mol=0.75 mol

0.75 mol*3/2=1.125moles

thus 1.125 moles*110.98 g./mol=124.85g

answer is 124.85g

please best me

May 20th, 2015

Thank you so much for your help.

May 20th, 2015

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