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Luba_88 [7]
2 years ago
13

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 9.8

7 liters. What was the volume of the balloon before the addition of the extra gas?
Chemistry
1 answer:
sashaice [31]2 years ago
5 0

Answer:

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:

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