Chemistry Test ...

The chloride of a metal contains 71% chlorine by weight and its vapour density is 50. The atomic mass of the metal will be (valency of the metal is 2):

A reaction required three atoms of Mg for two atoms of N. How many grams of N are required for a 3.6 g of Mg?

When burnt in air, 12.0 g mixture of carbon and sulphur yields a mixture of CO₂ and SO₂, in which the number of moles of SO₂ is half that of CO₂. The mass of the carbon that the mixture contains is: 

(At. wt. of SS = 32)

1.61 gm of Na₂SO₄.10H₂O contains same number of oxygen atoms as present in xx gm of H₂SO₄. The value of x is:

An organic compound contains 8% oxygen and 4% sulphur by mass. The minimum possible molecular weight of the compound is :

The volume of water required to make 0.20 M solution from 16 ml of 0.5 M solution is:

Arsenic estimation can be done by Bettendorff's process. The reaction is given below:

As₄O₆+SnCl₂+HCl→As₄+SnCl₄+H₂O

Find out the exact stoichiometric ratio of the reactants, in the order as given in question.

Aspartame, an artificial sweetener contains 9.52 weight per nitrogen. There are two nitrogen atoms per molecule. The molecular weight of aspartame is: