Aqa a level chemistry exam question help!!!Watch
(a) People who have a zinc deficiency can take hydrated zinc sulfate (ZnSO4.xH2O) as a dietary supplement.
A student heated 4.38 g of hydrated zinc sulfate and obtained 2.46 g of anhydrous zinc sulfate.
Use these data to calculate the value of the integer x in ZnSO4.xH2O
Show your working.
I know why how to get the ratio of 1:7, but why is the answer x=7? can someone help thanks
As the question asks for the number of moles which joins to 1 mole of ZnSO4, x=7