
What is the molar mass of Nitric acid?

Important Questions on Atoms and Molecules
Find how many moles of atoms are there in:
40 g of calcium.

Find how many moles of atoms are there in:
4.6 g of sodium.

Find how many moles of atoms are there in:
14 g of lithium.

Nitroglycerine is used as an explosive. The equation for the explosive reaction is:
Atomic mass of C = 12, H = 1, N = 14, O = 16)
How many moles does the equation show for gas molecules produced?

Ethane burns in oxygen to form and according to the equation . If of oxygen is burnt with of ethane. Calculate the volume of unused .

Find how many moles of atoms are there in:
32 g of sulphur.

Calculate the amount of each reactant required to produce of carbon dioxide, when two volumes of carbon monoxide combine with one volume of oxygen to produce two volumes of carbon dioxide.

The number of moles in is _____ moles.
[Hint: Gram atomic masses: ]



Nitroglycerine is used as an explosive. The equation for the explosive reaction is:
(Atomic mass of C = 12, H = 1, N = 14, O = 16)
How many moles of gas molecules are obtained from 1 mole of nitroglycerine.

Aluminium carbide reacts with water according to the following equation:
What volume of methane at s.t.p. is obtained from of aluminium carbide? [Relative molecular weight of ]

Nitroglycerine is used as an explosive. The equation for the explosive reaction is:
(Atomic mass of C = 12, H = 1, N = 14, O = 16)
How many moles does the equation show for nitroglycerine?

Find how many moles of atoms are there in:
7 g of nitrogen.

Copper sulphate solution reacts with sodium hydroxide solution to form a precipitate of copper hydroxide according to the equation:
i) What mass of copper hydroxide is precipitated by using of sodium hydroxide?
(ii) What is the colour of the precipitate formed?

The balanced chemical equation for the formation of ammonia gas by the reaction between nitrogen gas and hydrogen gas is given.
Write the ratio between number of moles of reactants and products in the correct order.

The balanced chemical equation for the formation of ammonia gas by the reaction between nitrogen gas and hydrogen gas is given.
How many moles of ammonia are formed when 6 moles of reacts with 6 moles of ?

Complete the table given below.
Element | Atomic mass | Molecular mass | Atomicity number |
Chlorine | 35.5 | 71 | - |
Ozone | - | 48 | 3 |
Sulphur | 32 | - | 8 |
Nitrogen | 14 | - | 2 |

Aluminium carbide reacts with water according to the following equation: .
What mass of aluminium hydroxide is formed from of aluminium carbide?

Nitroglycerine is used as an explosive. The equation for the explosive reaction is:
(Atomic mass of C = 12, H = 1, N = 14, O = 16)
What is the mass of 1 mole of glycerine?

