Molecular Mass

Choose the wrong statement:

Find the molar mass of $\mathrm{CO}({\mathrm{NO}}_3{)}_2.6{\mathrm{H}}_2\mathrm{O}$.

The formula unit mass of sodium chloride is:

Given the atomic masses of soidum and chlorine as 23 u and 35.5 u respectively. Calculate the formula unit mass of sodium chloride.

The formula unit mass of sodium chloride is _____ (58.5 u/32.5 u).

The formula unit mass of 58.5 u is of which of the following compounds?

Calculate the formula unit mass of sodium chloride.

Hydrogen is an important gas that is used for many chemical processes. It is often obtained by reacting methane $\left({\mathrm{CH}}_4\right)$ with steam in the following reaction. 

${\mathrm{CH}}_4+{\mathrm{H}}_2\mathrm{O}\to \mathrm{CO}+3{\mathrm{H}}_2$

Using the periodic table, calculate the relative formula mass of the methane and water.

Chlorofluorocarbons (or CFCs) are chemicals that destroy the ozone in the atmosphere. A common CFC has a chemical formula ${\mathrm{CCl}}_2{\mathrm{F}}_2$. Using the table below, what is the relative formula mass of ${\mathrm{CCl}}_2{\mathrm{F}}_2$?

Calculate the number of GMM present in $96 \mathrm{g}$ oxygen?

The gram molecular mass of oxygen molecule is 

The formula unit mass of sodium chloride is _____.

Which of the following elements has the same molecular mass as its atomic mass?

The molecular mass or unit formula mass of a substance expressed in grams, is called _____.

What is the percentage of sulphur in sulphuric acid? 

Calculate the relative molecular mass/relative formula mass of the following :

${\mathrm{Na}}_2{\mathrm{CO}}_3.10{\mathrm{H}}_2\mathrm{O}$

Calculate the relative molecular mass/relative formula mass of the following :

$\mathrm{Mg}{\left({\mathrm{NO}}_3\right)}_2$

Calculate the relative molecular mass/relative formula mass of the following:

$\mathrm{Ca}{\left(\mathrm{OH}\right)}_2$

Calculate the molecular mass of aluminium phosphate. 

Calculate the formula unit mass of ${\mathrm{Al}}_2{\left({\mathrm{SO}}_4\right)}_3$. (Given : Atomic mass of $\mathrm{Al}=27 \mathrm{u}, \mathrm{S}=32 \mathrm{u}, \mathrm{O}=16 \mathrm{u}$)