8.) If 396 g of Carbon Dioxide (CO2) are produced, what mass of Oxygen (02) reacted? *
1 answer:
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Given :
Volume of NaCl solution 2.5 L .
Molarity of NaCl solution is 0.070 M .
To Find :
How many moles are present in the solution.
Solution :
Let, n be the number of moles.
We know, molarity is given by :
So,
Therefore, number of moles of NaCl is 0.175 moles.
Answer:
I hope this is it. I'm not really sure.
