Question detail

What mass of carbon dioxide (CO2) is produced when 12 g of carbon (C) reacts with oxygen?

Try the question, check the answer, then read the explanation to understand the curriculum point.

At a glance

MCQ

Type

practice

Style

Topic

Use of amount of substance in relation to masses of pure substances

Question

44 g

The balanced equation is C + O2 → CO2. From 12 g of C (1 mol), 44 g of CO2 is produced.

Confusing Reactants and Products

Students often confuse the masses of reactants with the masses of products when calculating from a balanced equation.

Carefully identify which substances are reactants and which are products in the balanced equation before performing calculations.

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