Question

4. Find the ratio by mass of the combining elements in
(a) Methane-CH4
(b) Ammonia-NH3
(c) Glucose-C6H1206
(d) Calcium chloride-CaCl2
(e) Water-H2O
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Answer 1

a) 12:4=3:1

b). 14:3

c). 72:1:12:72

d) 40:70= 4:7

e) 2:16= 1:8