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Ann [662]
3 years ago
6

What is the molar mass of Na2Cr2O7?

Chemistry
1 answer:
iren2701 [21]3 years ago
6 0
The answer should be 261.97 g/mol
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Write the name of the main gases in the air​
Delicious77 [7]

Answer:

Nitrogen

Oxygen

Argon

Carbon Dioxide

Methane

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Explanation:

N₂ accounts for 78% of the atmosphere.

O₂ accounts for 21% of the atmosphere.

Ar accounts for 0.9% of the atmosphere.

CO₂, CH₄, and O₃ only take up 0.1% of the atmosphere.

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What is the mole fraction of methanol in a solution that contains 6.0 mol of methanol and 3.0 mol of water? The formula for meth
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The mole fraction of a product is the number of moles of the product divided by the total number of moles of the solution.

Here moles of methanol = 6.0 moles

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Answer: 0.67  
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Nataly_w [17]

Answer:

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Luden [163]
Reduction is your answer your looking for
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