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How many atoms are in 0.432 g of KNO3? Round your answer to three significant
figures.
A…2.58 x 1021
B…7.10 x 10-27
C…0.00428
D…43.6

Sagot :

unknown767

A

I did it and got this but it know the first one is right as it only missing of some point it will be calculator error and also the answer is to the power of 21.

hope this make sense :)

View image unknown767
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