A balloon is filled with 1 mole of helium gas at 100 kPa of pressure and a
1 answer:
Answer:
B) 0.025 
Explanation:
Solution of the problem is in picture attached,
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The mass of gas A is 11.56. i got this answer by 0.68 multiplied by 17. because in this problem the key word is times.
Answer:
bueno
Explanation:
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I think it's A but it might be different from your school and mine
Answer:
A
Explanation:
Because it will not cause much harm to the environment.
I hope it's right (best of luck).
Hg = (3.2 : 4.2) x 100% = 76.19%
O = (1 : 4.2) x 100% = 23.81%
