sir, you made a mistake when did 12*16=192. Therefore when you now add 54+96+192=342

There is more need in explanation

You mean , it has no unit relative formula mass , I thought it was 18g√√√

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Please mathematics topic indices and logarithms

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It's 54+96+192=342 sir thanks you made it

Sir how do you answer this question,the metal sulphate Al2 (SO4)3 contains 28% by mass of Aluminum.determine the relative atomic mass of Aluminum and relative molecular of Al2 sulphate (SO4)3.

How far 54 +96+196=346

Sir please instead of multiplying you add please I want to ask why

I really found this channel today and I'm really interested in the lesson. I have problem in mole concepts. So, I'm so glad I found a easy way of calculating relative formula mass. Thanks a lot sir, keep up the spirit

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