Question

X-40
1.84 mixture of Caco, and MgCO, was heated
to a constant weight till 0.96 g residue formed.
% (by mass) of MgCo, in sample was
(1) 45.66%
(2) 54.34%
(3) 30%
(4) 70%
[Normality and Equivalent Weight]
A metal oxide contains 60% metal (by mass). The​

Answer 1

Answer:

55.66 is the ans fisjd sdi