Question detail

How many grams of sodium chloride (NaCl) are produced from 1 mole of sodium (Na) reacting with chlorine gas (Cl2)?

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

58.5 g

The balanced equation shows that 1 mole of Na produces 1 mole of NaCl. The relative formula mass of NaCl is 58.5 g/mol.

Confusing Mass and Moles

Students often confuse the mass of a substance with the number of moles when calculating masses from a balanced symbol equation.

To fix this, remember to use the relative formula mass to convert between mass and moles correctly, ensuring you apply the correct formula.

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