O-LevelChemistryStoichiometry5070/11 · Oct/Nov 2020 · Q151 Mark

The table gives the relative formula mass of four compounds and the mass of each compound present in 1 dm³ of solution. Which solution has the highest concentration in mol/dm³?

Asolution HCl, relative formula mass 36.5, mass of compound in 1 dm³ of solution 3.65 g

Bsolution H2SO4, relative formula mass 98, mass of compound in 1 dm³ of solution 9.80 g

Csolution KOH, relative formula mass 56, mass of compound in 1 dm³ of solution 2.80 g

Dsolution NaOH, relative formula mass 40, mass of compound in 1 dm³ of solution 6.00 g

✓ Correct answer

D: solution NaOH, relative formula mass 40, mass of compound in 1 dm³ of solution 6.00 g

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Topic: Stoichiometry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2020 Paper 1 Variant 1, question 15.

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