Question

In ammonia ratio by mass of nitrogen and hydrogen 14: 3 of atomic mass of hydrogen and nitrogen is 14 u and 1u respectively . Then determine the formula of ammonia

Answer 1

FORMULA OF AMMONIA = NH3

given ratio by mass ;

= 14:3

also given that

• M(N) = 14 u
• M(H) = 1u

Thus the given ratio can be written as ;

• 1(14)/3(1)
• 1(N)/3(H)

Thus the ratio of elements can be given = N:H = 1:3

Thus the formula of ammonia = NH3

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