Pedro adds 3.23 moles of helium to a balloon that already contained 4.51 moles of helium creating a balloon with a volume of 9.87 liters. What was the volume of the balloon before the addition of the extra gas?
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Ответ:
7.The answer is 2.13 because if u add 3.23 and 4.51 and the answer is 7.74 and u add 2.13 to get 9.87. 3.23 + 4.51 + 2.13 is 9.87
Explanation:
Ответ:
the structure of this isomer and the mechanism by which it is formed is shown on the first uploaded image
Explanation: