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Blizzard [7]
3 years ago
14

What element am I?

Chemistry
1 answer:
Serga [27]3 years ago
4 0

Answer:

H- hydrogen

Explanation: Hydrogen is in the first group meaning that it only has 1 valence electron and 1 energy level

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8.) If 396 g of Carbon Dioxide (CO2) are produced, what mass of Oxygen
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Answer:

480 g of oxygen.

Explanation:

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Using the molar masses:

3*12 + 6*16 g of CO2 were formed from 10*16 g O2

132g  g CO2 from 160 g O2

1g CO2 from (160/132) g O2

396 g from (160/132) * 396

= 480 g of oxygen.

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