Question

(d) In water, thehydrogen-to-oxygen mass ratio is
(i) 1:8
(ii) 1:16
(iii) 1:32
(iv) 1:64
(e) The formula of sodium carbonate is Na 2Co3and that of calcium hydrogen carbonate is
(i) CaHCO3
(ii) Ca(HCO3)2 (iii) Ca,HCO3
(iv) Ca(HCO3)3​

Answer 1

Answer:

I think 1:8.............

Answer 2

Answer:

1)In the formula H²O

The mass ratio is 2:16 which is 1:8.

2) Calcium Hydrogen Carbonate - NaHCO³