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Subjects / LC Chemistry / Volumetric analysis, acids and bases

Solutions and concentration

Concentration units, standard solutions and dilution.

5th Year6th Year HigherOrdinary
Helps to know first: The mole
17practice questions

Multiple choice: 4 · Numeric answer: 10 · Put in order: 2 · Short answer: 1

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Numeric answer
A solution of sodium hydroxide contains 52 g of NaOH per litre. What is its concentration in mol L⁻¹? (Relative atomic masses: H = 1, C = 12, N = 14, O = 16, Na = 23, Mg = 24, S = 32, Cl = 35.5, Ca = 40)
Whole numbers, decimals (2.5) or fractions (3/4).
Hint 1

Divide g/L by molar mass.

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