dawsonlallance2 dawsonlallance2

07-06-2021
Chemistry

contestada

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

Respuesta :

unknown767 unknown767

07-06-2021

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 :)

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good job