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bonufazy [111]
3 years ago
15

Really need HElp with my chemistry question

Chemistry
1 answer:
MAXImum [283]3 years ago
8 0
What's the question?
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What is the PH of a 7.5x10^-3 M OH solution
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A mixture of gases has 0.3000 mol of CO2, 0.2706 mol of SO2 and 0.3500 mol of water vapor. The total pressure of the mixture is
notka56 [123]

Answer:

Partial pressure SO₂ → 0.440 atm

Explanation:

We apply the mole fraction concept to solve this:

Moles of gas / Total moles = Partial pressure of the gas / Total pressure

Total moles = 0.3 moles of CO₂ + 0.2706 moles of SO₂ + 0.35 moles H₂O

Total moles = 0.9206 moles

Mole fraction SO₂ = 0.2706 moles / 0.9206 moles → 0.29

Now, we can know the partial pressure:

0.29 = Partial pressure SO₂ / Total pressure

0.29 = Partial pressure SO₂ / 1.5 atm

0.29 . 1.5atm = Partial pressure SO₂ → 0.440 atm

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3 years ago
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Answer:

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Explanation:

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The ph of water is _____ because it contains an equal amount of h and oh- ions.
gtnhenbr [62]
The PH of water is 7 because it contains an equal amount of h and oh- ions.
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