Calculate the number of moles
9.00 g of h2o
88.0 g of co2
1.70 g of nh3

No. of moles -= given mass/ molar mass

1) 9 g of H2O = 9/18 = 1/2 = 0.5 mole

2) 88g of CO2 = 88/44 = 2moles

3) 1.7 g of NH3 = 1.7/17 = 0.1 mole

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