Paper 3 chem ....please help meeeee with this questionWatch
Please could someone help me with this question.
So, it is an old Unit 6 question, but in the style of paper 3.
The question is
Compound X contains z moles of water of crystallisation per mole of compound.On the basis of your results, complete the formula for compound X.
My results are correct, and they are that the X contained: K+ Cr+3 and SO4 (-2)
Yep here is the link
It is Question 1
You need the charges to balance