A-LevelChemistryAtoms, molecules and stoichiometry9701/12 · Oct/Nov 2019 · Q21 Mark
In this question it should be assumed that (NH4)2CO3.H2O(s) dissolves in water without causing an increase in volume. Which mass of (NH4)2CO3.H2O(s) should be added to 800 cm³ of water to form a 0.100 moldm⁻³ solution of NH4⁺ ions?
A4.56 g
B7.13 g
C9.12 g
D14.3 g
✓ Correct answer
A: 4.56 g
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