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All things u need to know about Chemistry P1 &P3

The Chill Master

The Chill Master

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Masha karroum

Masha karroum

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The Chill Master said:
ok
mg is 72% & N is 28%
now what is their ar Mg is 24 & n is 14
72/24=3
28/14=2
that makes mg3n2
first part answer

second part
ok now looh when ever these typpe of questions come always divide the moles with the smallest one over here 0.03 is smallest divide 0.12/0.03u will get 4 means 4 moles of 4Al(OH)3 now 0.09/0.03=3CH4
now the left hand side is balanced u cannot change it so now u can easily make right hand side
Click to expand...
thankyou so much!!!
 
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