I need help with a chemistry problem

Chemistry
Tutor: None Selected Time limit: 1 Day

Nov 21st, 2015

Thank you for the opportunity to help you with your question!

In potassium dichromate

k=39*2=78

Cr=52*2=104

O=16*7=112

total =78+104+112=294

In percentages

K=78/294=0.2653*100%=26.53%

Cr=104/294=0.3537*100%=35.37%

O=112/294=0.381*100%=38.1%

total percentage =26.53+35.37+38.1=100%

Please let me know if you need any clarification. I'm always happy to answer your questions.
Nov 21st, 2015

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