\(concentration~in~g~dm^{-3}=\frac{mass~of~solute~in~g}{volume~in~dm^{3}}\) The units for concentration are also shown as g/dm 3, but this means the same as g dm-3. 8 g of sodium hydroxide is ...

The volume of hydrogen given off is twice the volume of oxygen given off.

Ensure that you are fully prepared for the upcoming changes to the Edexcel A-Level Chemistry specification by exploring the new curriculum and assessment arrangements in detail. Understand the ...

These students all got A*s in their GCSEs and AS exams and share their exam revision tips and advice for coping with exam stress They got strings of A*s and As in their GCSEs and AS exams and now they ...