CH-960
Relative atomic and molecular mass
Chemistry · Secondary 3 · Medium · Relative atomic and molecular mass
The relative formula mass, , of sodium carbonate, Na₂CO₃, is 106.
What mass of sodium is present in 212 g of sodium carbonate? (Ar: Na = 23, C = 12, O = 16)
What mass of sodium is present in 212 g of sodium carbonate? (Ar: Na = 23, C = 12, O = 16)
- 46 g
- 69 g
- 92 g
- 106 g
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