Embibe Experts Solutions for Chapter: Atoms and Molecules, Exercise 1: Exercise 1

$1\mathrm{u}$ is equal to:

The statement which is wrong about gram atomic mass is:

Chlorine occurs in nature in the form of two isotopes with atomic mass $35$ and $37$ in the ratio of $3 : 1$, respectively. The average atomic mass of chlorine is:

$2 \mathrm{g}$ of oxygen contain the number of atoms equal to that, contained in:

The number of sulphur atoms in $40 \mathrm{g}$ is:

How many atoms are present in one mole of ${\mathrm{H}}_2{\mathrm{SO}}_4?$

The mass of a molecule of water is:

A compound ${\mathrm{X}}_2{\mathrm{O}}_3$ contains $31.58\%$ oxygen by weight. The atomic mass of $\mathrm{X}$ is ______.