CanadaW CanadaW

05-12-2014
Chemistry

Answered

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

ACarbon

B)Potassium (K)

C)Oxygen

D)In 5 K2CO3 How many Carbon and Oxygen are there?

Verified Answer :

Anonymous Anonymous

05-12-2014

(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!

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OliviaSkye OliviaSkye

05-12-2014

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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