Question

8. Acetic acid contains carbon, hydrogen and oxygen. 4.24g of sampled
acid on complete combustion gave 6.21g of CO2 and 2.54 of 110.1
molecular mass of acetic acid is 60. Find (i) Empirical formula of acetics
(1) 8.7483 (ii) 5.36748 (iii) 15.145 (iv) 188.55
() Molecular formula of acetic acid.
(Ans () CH, (ii) C2H,02]
9. Ethylene glycol is used as an antifreeze. Combustion of 6,38 g of ethyle
glycol gives 9.06g of CO2 and 5.58g of H2O. Ethylene glycol.com
carbon, hydrogen and oxygen and its molecular mass is 62. Find empire
formula and molecular formula
[Ans: (1) CH,O (ii) C H2021
10. When dinitrogen pentoxide (N,O3), a white solid is heated, it decompo
to nitrogen dioxide and oxygen.
→ 4NO2(g) + O2(8)
Find the volume of NO and O2 gases produced at S.T.P when a sam
of 54 g of N, O, is heated.
[Ans(1) Volume of NO, -22.4dm) Volume of o, -5.6 dmºl
heat
21,05(0)
w​

Answer 1

Answer:

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