CanadaW
Answered

In the molecule K2CO3, how many atoms of _______ are present?

A) Carbon
B)Potassium (K)
C)Oxygen
D)In 5 K2CO3 How many Carbon and Oxygen are there?

Answer :

(0.250 mol K2CO3)(2 mol K/1 mol K2CO3)(6.022 x 10^23 atoms K/1 mol K) = 3.01 x 10^23 atoms Hope this helps! 
OliviaSkye
Are the numbers meant to be subscript? Assuming they are, there is one carbon, two potassium, and three oxygen. 

Answering d), ten potassium, five carbon, and fifteen oxygen 

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