What is the mass of 0.2 mol of CaCO? (Relative formula mass = 100)
Answer and explanation
Correct answer: B. 20 g
- Step 1: Mass .
- Step 2: g.
Answer
20 g.
Why not the others: 0.002 g: it divides moles by . 500 g: it divides by moles. 20.2 g: it adds the number of moles to the mass.
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