Question

Write the ratio between masses of

a. hydrogen and oxygen in H2O

b. nitrogen and hydrogen in NH3

c. carbon and oxygen in CO2

(atomic mass of H = 1u, O = 16u, N = 14u, C = 12u)

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Answer 1

Answer:

(a) H : O = 2 : 16 = 1:8

(b) N : H = 14 : 3

(c) C:O = 12 : (16×2) = 12:32 = 3 : 8