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what is the percent composition of hydrogen in NH4HCO3?

Sagot :


i hope this helps hydrogen in a compound =5 h atoms are present 
therefore % of composition =5/79 *100 so it equals 6.3%
SoapyMcTavishidn
To find the Percent Composition of an atom, you use this formula:
Mass of element in the compound you're studying on ( in this case it's 5 since there is 5 Hydrogens) over the mass of the compound (which is here 79), Multiplied by 100 since you want a percent. 
So we get: 
[tex] \frac{5}{79} * 100[/tex]
So you get about: 
[tex]0.063 * 100[/tex]
[tex]6.3[/tex]

So, the percent composition of Hydrogen in NH4HCO3 is 6.3%

Hope this Helps! :D


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