2.11g of MgCl2 is added to 30cm3 of water. Find the concentration of chloride ions in the solution.
Mr of MgCl2 = 24.3 + 2(35.5) = 95.3 Moles added = 2.11/95.3 = 0.02214 Mol of cl- added = 20.02214 = 0.04428 Conc = 0.04428/(3010-3) = 1.48 moldm-3
JS
Related Chemistry A Level answers
All answers ▸What are 'Rate equations' and why are they useful?
Why does ionisation energy increase across Period 3?
which element has a lower first ionisation energy, Magnesium or Aluminium?
What is meant by terms 'saturated' and 'unsaturated' when applied to alkanes and alkenes? Describe a chemical test to distinguish between the liquids hexane and hexene.