1.44 g of titanium (At. mass = 48) reacted with excess of O2 and produce of non stoichiometric compound
. The value of
is:
The mass of produced by the reaction of
of
and
of
is
. What is the per cent yield?
The impure of
is dissolved in water and then treated with excess of silver nitrate solution. The mass of precipitate of silver chloride is found to be
. The
purity of
solution would be:
What is the empirical formula of vanadium oxide, if 2.74 g of the metal oxide contains 1.53 g of metal?
of ferrous ammonium sulphate crystals are dissolved in
of water.
of this solution requires
of potassium permaganate during titration for complete oxidation. The weight of
present in one litre of the solution of
Specific volume of cylindrical virus particle is . whose radius and length are
respectively.
If , find molecular weight of virus
10 moles and 15 moles
were allowed to react over a suitable catalyst. 8 moles of
were formed. The remaining moles of
and
respectively are -
On reduction with hydrogen 3.6 g of an oxide of metal leaves 3.2 g of metallic residue. If the atomic mass of metal is 64 , the formula of metal oxide is
Vapour density of a metal chloride is 83. If equivalent weight of the metal is 6, its atomic weight will be ____.
9 moles of "D" and 14 moles of E are allowed to react in a closed vessel according to given reactions. Calculate number of moles of B formed in the end of reaction, if 4 moles of G are present in reaction vessel. (Percentage yield of reaction is mentioned in the reaction)
Step-1
Step-2
A mixture of and
contain
mass per cent of nitrogen. What is the mass ratio of the two components in the mixture?
A gaseous mixture contains oxygen and nitrogen in the ratio of 1: 4 by weight. Therefore, the ratio of their number of molecules is
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