Quick questions on Reacting masses and limiting reactants - AQA GCSE Chemistry

3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?

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For

C + O_2 \rightarrow CO_2

, calculate the mass of

CO_2

made from

6

g of carbon (

A_r

C = 12,

M_r

CO2 = 44). [3 marks]

What is q2?

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Define the limiting reactant. [1 mark]

What is q3?

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5.6

g of iron (

A_r = 56

) reacts completely with sulfur to make iron sulfide,

FeS

. Calculate the mass of sulfur that reacts (

A_r

S = 32). [3 marks]

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