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ser-zykov [4K]
3 years ago
10

The most abundant trace gas in the atmosphere is _____. neon hydrogen argon helium

Chemistry
2 answers:
ad-work [718]3 years ago
4 0

The answer is C, argon.


zhenek [66]3 years ago
3 0

<em>Answer:</em>

  • Argon

<em>Explain:</em>

  • The most abundant gas in the atmosphere is Nitrogen (78.09%), The 2nd most abundant is oxygen (20.94%) and third one is argon (0.93%) and 4th one is CO2 (0.04%). While all others are in small amount like traces.
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Calculate the formula mass for the compound nitrous acid.
kari74 [83]

Answer:

47.01g/mol

Explanation:

The formula of Nitrous acid is HNO₂:

The formula mass of a compound gives the sum of the atomic masses of the elements that makes up a compound.

Atomic mass of H = 1.0079g/mol

                          N = 14.0067g/mol

                          O = 15.9994g/mol

Formula mass of HNO₂ = 1.0079 +  14.0067 + 2(15.9994)

                                        = 1.0079 +  14.0067 +31.9988

                                         = 47.01g/mol

8 0
3 years ago
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2 years ago
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