Question

What is the percent by mass of potassium in KFe(CN)?

total mass of elementin compound
Use Element -
molar mass of compound
O 16.96%
O 21.88%
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Answer 1

Step-by-step explanation:

1. Add the atomic mass of all the elements.

39+55.8+12+14= 120.8

2.Divide atomic mass of potassium by total atomic mass

`39/120.8= .323`

2. Multiply by 100

`.323*100= %32.3` %32.3