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 ▸

Why, in the bromination of phenols, do you not need an acid catalyst like you do in the bromination of benzene?


why increasing the temperature will increase the rate of reaction


Describe a 2 step synthesis to form pentan-1-ol from pentane.


Using principles of structure and bonding, explain why sulfur has a higher melting point than phosphorus