Question

Calculate the mass percentage of Ammonia​

Answer 1

Explanation:

Hydrogen H 17.755%

Hydrogen H 17.755%Nitrogen N 82.245%

calculate the mass percent of an element in a compound, we divide the mass of the element in 1 mole of the compound by the compound's molar mass and multiply the result by 100.

Answer 2

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Calculate the mass percentage of Ammonia.

$\huge\underbrace\bold\red{Answer}$

82.24% percent composition of N and 17.76% percent composition of H.

Explanation:

First of all you will want to add the atomic mass for all the elements in NH³. This can be readily obtained with a periodic table.

Let's take the elements and add their masses up:

14.007 + 1.008(3) = 17.031

Now we will divide each individual atom with the mass we got in step one and multiply by 100.

14.007/17.031 x 100 = 82.24414...%

1.008(3)/17.031 x 100 = 17.75586...%

Therefore, we can say there is 82.24% of N and 17.76% of H.

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