Use of amount of substance in relation to masses of pure substances

EasyMediumHard
12345678
Question 1
Easy

All alkalis show characteristic chemical properties due to the presence of a specific ion in aqueous solution.

a.

State the chemical formula of the ion responsible for the alkaline properties of these solutions.

[1]
b.

A chemist prepares a standard solution of sodium hydroxide (NaOH\text{NaOH}NaOH) with a concentration of 18.5 g/dm318.5\text{ g/dm}^318.5 g/dm3. Calculate the mass of NaOH\text{NaOH}NaOH present in 220 cm3220\text{ cm}^3220 cm3 of this solution.

[2]

Use of amount of substance in relation to masses of pure substances Questions

  1. GCSE
  2. /Chemistry
  3. /Use of amount of substance in relation to masses of pure substances