Calculating moles? I don\'t understand how to do these calculations and I need t

Question

Calculating moles? I don't understand how to do these calculations and I need to do the other 25 problems just like this. Can you show me how to do the 1st one so I know what to do with it?

How many moles of hydrogen are in 1.5mol of quinine? Express your answer using two significant figures. nH = ? How many moles of carbon are in 4.4mol of quinine? Express your answer using two significant figures. Part C How many moles of nitrogen are in 2.5 x 10^-2 mo1 of quinine Express your answer using two significant figures.

Explanation / Answer

The formula of quinine is C20H24N2O2

a) 1mole of Quinine -------------- 24moles Hydrogen

1.5 moles Quinine = 24 x 1.5 = 36moles Hydrogen

b) 1mole of Quinine -------------- 20moles Carbon

     4.4 mole of Quinine = 20 x4.4= 88moles of carbon

c) 1 mole of Quinine--------------2 moles of nitrogen

2.5 x10^-2 moles Quinine- = 5 x10^-2 moles nitrogen

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