What is the number of moles in 8,5g of NH_3?

1 Answer
anor277
May 6, 2018

As always we take the quotient, #"moles"="mass of stuff"/"molar mass of stuff..."#

Explanation:

And so....

#(8.5*g)/(17.03*g*mol^-1)=0.499*1/(mol^-1)=0.499*1/(1/(mol))=0.499*mol#.

What are the molar quantities of nitrogen and hydrogen. Could we measure such a mass of ammonia? How?

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