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| style="height:20px; width:200px; text-align:center;" |'''5000[[kg]] 5000kg of [[Iron]] has a [[Volume (Space)|volume]] of 0.635m<sup>3</sup>. Calculate the density of [[Iron]].'''| style="height:20px; width:200px; text-align:center;" |'''A 50,000cm<sup>3</sup> container of [[water]] is full with a 50[[kg]] 50kg [[mass]] of [[water]]. Calculate the density of [[water]].'''| style="height:20px; width:200px; text-align:center;" |'''A 200,000cm<sup>3</sup> [[Volume (Space)|volume]] of [[air]] has a [[mass]] of 245[[g]]245g. Calculate the density of [[air]].
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[[Mass]] = 5000[[kg]]5000kg
[[Volume (Space)|Volume]] = 0.635m<sup>3</sup>
:<math>\rho = 7874kg/m^3</math>
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[[Mass]] = 50[[kg]]50kg
[[Volume (Space)|Volume]] = 50,000cm<sup>3</sup> = 0.05m<sup>3</sup>
:<math>\rho = 1000kg/m^3</math>
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[[Mass]] = 245[[g]] 245g = 0.245[[kg]]245kg
[[Volume (Space)|Volume]] = 200,000cm<sup>3</sup> = 0.2m<sup>3</sup>
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| style="height:20px; width:300px; text-align:center;" |5000[[kg]] 5000kg of [[Iron]] has a [[Volume (Space)|volume]] of 0.635m<sup>3</sup>. Calculate the density of [[Iron]] correct to two [[Significant Figures|significant figures]].'''| style="height:20px; width:300px; text-align:center;" |A 200,000cm<sup>3</sup> [[Volume (Space)|volume]] of [[air]] has a [[mass]] of 245[[g]]245g. Calculate the density of [[air]] correct to two [[Significant Figures|significant figures]].
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| style="height:20px; width:300px; text-align:left;" |'''1. State the known quantities in [[SI Unit]]s'''
[[Mass]] = 5000[[kg]]5000kg
[[Volume (Space)|Volume]] = 0.635m<sup>3</sup>
| style="height:20px; width:300px; text-align:left;" |'''1. State the known quantities in [[SI Unit]]s'''
[[Mass]] = 245[[g]] 245g = 0.245[[kg]]245kg
[[Volume (Space)|Volume]] = 200,000cm<sup>3</sup> = 0.2m<sup>3</sup>