R R Misra Solutions for Chapter: Atoms and Molecules, Exercise 6: Numerical On Mole And Its Role

The amount of 4.4g substance X is reported to be 0.1 mol. What is its molar mass.

What mass of oxygen will contain 2 moles of ${\mathrm{O}}_2$ molecules? Molar mass of ${\mathrm{O}}_2$ = 32g/mol.

Calculate the number of molecules in 1.195g of chloroform$\left({\mathrm{CHCl}}_3\right)$.

Atomic masses. $\mathrm{H}=1\mathrm{u}, \mathrm{C}=12\mathrm{u}, \mathrm{Cl}=35.5\mathrm{u}$

Calculate the mass of one billion molecules of water. M$\left({\mathrm{H}}_2\mathrm{O}\right)$ = 18g/mol.

Calculate the amount of moles in 6g of carbon.

Calculate the amount of moles in 9.9g of ${\mathrm{H}}_2\mathrm{O}$.

Calculate the amount of moles in 9.8g ${\mathrm{H}}_2{\mathrm{SO}}_4$.

Calculate the amount of moles in 100g of phosphorous $\left({\mathrm{P}}_4\right)$.