The total number of atoms present in 5.6 l of `NH_3` gas at STP is:

The trivalent metal having equivalent weight 20 forms an oxide. The molecular weight of that oxide oxide is:

The relative atomic mass of chlorine is 35.5. A sample of chlorine is a mixture of Cl-35 and Cl-37. What are the relativ…

Calculate the total number of atoms present in 2.8 l of ethane gas at STP?

Explain the molecular weight of an element.

A gas 'X' diffuses four times slower than `H_2` gas under similar conditions. Calculate the molecular weight of gas X.

3gm of a metal oxide on reaction with HCl gave 5gm of metal chloride. Calculate the equivalent weight of metal.

Calculate the number of electrons present in 1.8 gm of `H_2O`.