The number of g-atom of oxygen in CO molecules is
1 mole of CO contain 1 g atom of oxygen
For the formation of 3.65 g of hydrogen chloride gas, what volumes of hydrogen gas and chlorine gas are required at N.T.P. conditions?
An alkaloid contains 17.28% of nitrogen and its molecular mass is 162. The number of nitrogen atoms present in one molecule of the alkaloid is
If 30mL H2 and 20mL of O2 react to form water, what is left at the end of the reaction?
How many moles of magnesium phosphate, Mg3(PO4)2 will contain 0.25 mole of oxygen atoms?
The decomposition of a certain mass CaCO3 gave 11.2 dm3 of CO2 gas at STP. The mass of KOH required to completely neutralize the gas is
1.520 g of hydroxide of a metal on ignition gave 0.995 g of oxide. The equivalent weight of the metal is
500 mL of NH3 contain molecules at S.T.P. How many molecules are present in 100 mL of CO2 at S.T.P.?
In the reaction, 4 NH3 + 5 O2 → 4 NO + 6 H2O,
when one mole of ammonia and one mole of oxygen are made to react to completion, then
An unknown element forms an oxide. What will be the equivalent weight of the element if the oxygen content is 20% by weight?
A metal M of equivalent mass E forms an oxide of molecular formulaMxOy. The atomic mass of the metal is given by the correct equation