Significant numbers in chemistry

[garet122]

Hello

I have 5.8 moles of KOH. 1Mole of KOH= 56.11g
So: 5.8moles of KOH x 56.11g/1mole= 325.438g of KOH

If, I want to follow the significant figures rules, what is the answer?

Is it 330g? If yes, it seems inaccurate.

 

[djh101]

Yes, 330g (or 3.3E2g) is correct. It probably seems a little large because you are rounding up from just over 5, but two significant figures is the correct number.