GCSE chemistry help!Watch this thread
i was doing a moles question and one of the steps i needed to do was find out the moles of chlorine so i needed to find the Mr of chlorine.
i ended up finding Cl2 which was 71
however, i was meant to find just Cl which is 31.5
when the question states 'chlorine', do i automatically have to know that they are asking for the chlorine atom because i've always thought that i had to find the molecule Cl2 instead.
for a bit of context, this is the question (Question 8.6):