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fgiga [73]
2 years ago
6

Use the reaction:

Chemistry
2 answers:
damaskus [11]2 years ago
5 0
The answer is 34.2 mL
goblinko [34]2 years ago
3 0

Answer:

It’s either 34.2 OR 34.3 either would be correct!

Explanation:

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In an equimolar mixture of o2 and n2, are the mass fractions equal?
nika2105 [10]

Answer:

No

Explanation:

The mass fraction is defined as:

w_{i}=\frac{m_{i} }{m_{t} }

where:

  • wi: mass fraction of the substance i
  • mi: mass of the substance i
  • mt: total mass of the system

<u><em>The mass fraction of two substances (A and B), will be the same, ONLY if the mass of the substance A (mA) is the same as the mass of the substance B (mB).</em></u>

An equimolar mixutre of O2 and N2 has the same amount of moles of oxygen and nitrogen, just to give an example let's say that the system has 1 mole of O2 and 1 mole of N2. Then using the molecuar weigth of each of them we can calculate the mass:

mA= 1 mole of O2 * 16 g/1mol = 16 g

mB=1 mole of N2 *28 g/1mol=28 g

As mA≠mB then the mass fractions are not equal, so the answear is NO.

4 0
3 years ago
Where are people mostly exposed to chemicals?
Vlad [161]

Answer:

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Explanation:

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This might not answer what you were looking for but the other answer covered it pretty well so I thought I'd give you another angle to the question!

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3 years ago
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