Question

om
[Ans
SUMM
A hydrocarbon contains 82.8% of carbon. Find its molecular formula if its vapour densi
Anorganic compound on analysis gaveH=648 2 and O=51.42%. Determine its empirical
A hydrated salt contains Cu = 25.50%. S = 12.90%, O = 25.60% and the remaining is
64 S = 32. O = 16. HIS
(H=1.C=12)
if the compound contains 12 atoms of carbon (C= 12, H=1.0=16]
(Ans. Cuso
10. A gaseous hydrocarbon weighs 0.70g, and contains 0.60 g. of carbon. Find the molecular for
the compound if its molecular weight is 70. (C = 12. H= 1]
11. A salt has the following % composition:- Al = 10.50%, K= 15.1%, S= 24.8% and the remaining
gen. Calculate the empirical formula of the salt. [Al = 27. K= 39, S = 32. O=16] [Ans. AIKIS
[Ans.CH
PROR
ma
[Ans.co
.
CHEMICAL EQUATIONS
What mass of silver chloride will be obtained by adding an excess of hydrochloric acid to as
of 0 34 g of silver nitrate. [ CI=35.5, Ag=108, N=14, O=16, H=1]
[Ans. 03
What volume of oxygen at stp. will be obtained by the action of heat on 20 g. of KO
[K=99. C1=355, O=16 )
[Ans. 5.46
From the equation: 3Cu + 8HNO3 → 3Cu(NO3)2 + 4H2O + 2NO. Calculate​

Answer 1

Answer:

This is to Big question it will need atleast 50 points .