CanadaW
CanadaW CanadaW
  • 05-12-2014
  • Chemistry
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 :

Аноним Аноним
  • 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! 
Answer Link
OliviaSkye
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 
Answer Link

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