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Gas
,→Example Calculations
|+ Finding the Volume of Gas
|-
| style="height:20px; width:200px250px; text-align:center;" |'''Calculate the [[Volume (Space)|volume]] of 4g of [[Hydrogen]] [[gas]].'''| style="height:20px; width:200px250px; text-align:center;" |'''Calculate the [[Volume (Space)|volume]] of 8g of [[Oxygen]] [[gas]].'''| style="height:20px; width:200px250px; text-align:center;" |'''Calculate the [[Volume (Space)|volume]] of 20g of [[Methane]] [[gas]].'''
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| style="height:20px; width:200px250px; text-align:center;" |1.'''Find the [[Relative Formula Mass]] of the [[gas]].'''
[[Chemical Formula]] of [[Hydrogen]] = H<sub>2</sub>
[[Relative Formula Mass]] of H<sub>2</sub> = 2g
| style="height:20px; width:200px250px; text-align:center;" |1.'''Find the [[Relative Formula Mass]] of the [[gas]].'''
[[Chemical Formula]] of [[Oxygen]] = O<sub>2</sub>
[[Relative Formula Mass]] of O<sub>2</sub> = 32g
| style="height:20px; width:200px250px; text-align:center;" |1.'''Find the [[Relative Formula Mass]] of the [[gas]].'''
[[Chemical Formula]] of [[Methane]] = CH<sub>4</sub>
[[Relative Formula Mass]] of CH<sub>4</sub> = 16g
|-
| style="height:20px; width:200px250px; text-align:center;" |'''2. Calculate the number of [[mole]]s of [[gas]].'''
1 [[mole]] = 2g
No. [[Mole]]s = 2mol
| style="height:20px; width:200px250px; text-align:center;" |'''2. Calculate the number of [[mole]]s of [[gas]].'''
1 [[mole]] = 32g
No. [[Mole]]s = 0.25 mol
| style="height:20px; width:200px250px; text-align:center;" |'''2. Calculate the number of [[mole]]s of [[gas]].'''
1 [[mole]] = 16g
No. [[Mole]]s = 1.25 mol
|-
| style="height:20px; width:200px250px; text-align:center;" |'''3. Find the [[Volume (Space)|volume]] in dm<sup>3</sup>.'''
[[Volume (Space)|Volume]] = 24 x (number of moles)
[[Volume (Space)|Volume]] = 48dm<sup>3</sup>
| style="height:20px; width:200px250px; text-align:center;" |'''3. Find the [[Volume (Space)|volume]] in dm<sup>3</sup>.'''
[[Volume (Space)|Volume]] = 24 x (number of moles)
[[Volume (Space)|Volume]] = 6dm<sup>3</sup>
| style="height:20px; width:200px250px; text-align:center;" |'''3. Find the [[Volume (Space)|volume]] in dm<sup>3</sup>.'''
[[Volume (Space)|Volume]] = 24 x (number of moles)
|+ Finding the Mass of Gas from the Volume
|-
| style="height:20px; width:200px250px; text-align:center;" |'''Calculate the [[mass]] of 12dm<sup>3</sup> of [[Hydrogen]] [[gas]].'''| style="height:20px; width:200px250px; text-align:center;" |'''Calculate the [[mass]] of 36dm<sup>3<sup> of [[Nitrogen]] [[gas]].'''| style="height:20px; width:200px250px; text-align:center;" |'''Calculate the [[mass]] of 18dm<sup>3</sup> of [[Ethane]] [[gas]].'''
|-
| style="height:20px; width:200px250px; text-align:center;" |1.'''Find the [[Relative Formula Mass]] of the [[gas]].'''
[[Chemical Formula]] of [[Hydrogen]] = H<sub>2</sub>
[[Relative Formula Mass]] of H<sub>2</sub> = 2g
| style="height:20px; width:200px250px; text-align:center;" |1.'''Find the [[Relative Formula Mass]] of the [[gas]].'''
[[Chemical Formula]] of [[Nitrogen]] = N<sub>2</sub>
[[Relative Formula Mass]] of N<sub>2</sub> = 28g
| style="height:20px; width:200px250px; text-align:center;" |1.'''Find the [[Relative Formula Mass]] of the [[gas]].'''
[[Chemical Formula]] of [[Ethane]] = C<sub>2</sub>H<sub>6</sub>
[[Relative Formula Mass]] of C<sub>2</sub>H<sub>6</sub> = 30g
|-
| style="height:20px; width:200px250px; text-align:center;" |'''2. Calculate the number of [[mole]]s of [[gas]].'''
[[Volume (Space)|Volume]] = 24 x (number of moles)
Number of moles = 0.5
| style="height:20px; width:200px250px; text-align:center;" |'''2. Calculate the number of [[mole]]s of [[gas]].'''
[[Volume (Space)|Volume]] = 24 x (number of moles)
Number of moles = 1.5
| style="height:20px; width:200px250px; text-align:center;" |'''2. Calculate the number of [[mole]]s of [[gas]].'''
[[Volume (Space)|Volume]] = 24 x (number of moles)
Number of moles = 0.75
|-
| style="height:20px; width:200px250px; text-align:center;" |'''3. Find the [[mass]] of [[gas]] from the number of [[mole]]s.'''
No. [[Mole]]s = <math>\frac{Mass}{M_r}</math>
Mass = 1g
[[Volume (Space)|Volume]] = 48dm<sup>3</sup>
| style="height:20px; width:200px250px; text-align:center;" |'''3. Find the [[mass]] of [[gas]] from the number of [[mole]]s.'''
No. [[Mole]]s = <math>\frac{Mass}{M_r}</math>
Mass = 42g
| style="height:20px; width:200px250px; text-align:center;" |'''3. Find the [[mass]] of [[gas]] from the number of [[mole]]s.'''
No. [[Mole]]s = <math>\frac{Mass}{M_r}</math>