How many moles are there in 176 g of carbon dioxide, CO? (Relative formula mass = 44)

Answer and explanation

Correct answer: C. 4 mol

  1. Step 1: Moles = mass formula mass.
  2. Step 2: mol.
Answer
4 mol.
Why not the others: 7744 mol: mass is multiplied by the formula mass. 0.25 mol: the formula mass is divided by the mass. 132 mol: the formula mass is subtracted.

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