How many g of NaHCO3 are present in a sample if there are 4.52 x 10 ^24 atoms of carbon in that sample?

1 Answer
anor277
Apr 18, 2018

Approx. #631*g#

Explanation:

Well, what is the molar quantity WITH RESPECT TO CARBON?

I make it #(4.52xx10^24*"C atoms")/(6.022xx10^23*"C atoms"*mol^-1)=7.51*mol#

And so there are #7.51*mol# of carbon...and thus given the 1:1 relationship between moles of carbon and moles of sodium bicarbonate, there are an equivalent molar quantity of THE SALT....and a mass of.....

#7.51*molxx84.01*g*mol^-1=??*g#

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