QUANTITATIVE CHEMISTRY - GCSE Chemistry (AQA Topic C3) 

Every Chemistry Required Practical: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-LnsUOcpK1AQ.html All of Paper 1: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-uCCzFCCeeZ8.html

thanks for this but i was so confused with the relative atomic mass of water

Helped rush my science homework, thanks for the useful revision resource, quick and very little information required to understand. Keep up the good work!

where did he get the 4 from 1:51

i flipping love u