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Stoichiometry a bitch

- Fri, 26 May 2017 04:22:42 EST WkWxSK6I No.78664
File: 1495786962793.jpg -(4130979B / 3.94MB, 5312x2988) Thumbnail displayed, click image for full size. Stoichiometry a bitch
Could someone please jog the old memory bank. How in the fuck do you get 1.8×10^(-6) from 2.8x10^(-8) mol × 63.5g mol-1???
Caroline Drennerwell - Fri, 26 May 2017 13:09:34 EST UyoEcrVg No.78665 Reply
2.8 times 63.5 is 177.8
Move the decimal over a couple places and you get 10^-6 instead of -8
It's rounded to 1.8 because of significant figures.

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