Respuesta :

no.of moles= mass/ Mr

=1200/(54.9*3)+7[32.1+(16*4)]

=1.433

1.64 moles

grams to mole

add all of them together 54.938+672.427=727.365

divide 1200/727.365=1.64979068

Just learned this in chemistry got a 100 on test.


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