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kirza4 [7]
3 years ago
8

Convert 110.4kPa into torr

Chemistry
1 answer:
Korvikt [17]3 years ago
4 0

828.0681

hope it helps

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What is the concentration of H+ in a 2.5 M HCl solution?
Pavel [41]

Answer:

The concentration of H⁺ in a 2.5 M HCl solution is 2.5 M

Explanation:

As HCl is a strong acid and hence a strong electrolyte, it will dissociate as

HCl ⟶ H⁺ + Cl⁻

So, The concentration of H⁺ will be 2.5 M (same as HCl)

Thus, The concentration of H⁺ in a 2.5 M HCl solution is 2.5 M

<u>-TheUnknownScientist</u><u> 72</u>

6 0
3 years ago
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You have recovered two LacZ-minus AmpR colonies from your transformation in Lab 7 and they appear as white colonies on a LBAX pl
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D. pUC-chloramphenicol(minus)

Explanation:

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What is the relationship between mole, Avogadro number and mass?
weeeeeb [17]

Answer:

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5 0
3 years ago
Is it always easy to classify research as applied or pure? Explain.
Luda [366]

No..since research can take different format

3 0
3 years ago
What is the percent of oxygen by mass in a pure sample of fecr2o4? 1. 52% 2. 13% 3. 37% 4. 7.1% 5. 29%?
Marta_Voda [28]
Let us suppose that we have 1 mol of FeCr2O4. I'm going to use approximate masses because I have no idea what your periodic table will say. Just put in the exact masses from your periodic table.

Fe = 56
Cr*2 = 2*52 = 104
O4 = 4*16 = 64
===========
Total = 56 + 104 + 64 = 224
The % oxygen = (64 / 224) * 100 = 28.5 % but none of your answers match this. Perhaps you are talking about Fe2(Cr2O4)3 The brackets make all the difference in the world.

Without going through all the detail I did before, The molecular mass is
Fe * 2 = 112
Cr * 6 = 312
O * 12 = 192
The total molecular mass = 616

The % Oxygen = (192 / 616) * 100 = 31% roughly. That answer isn't there either. 

Let's wait and see who else answers.

6 0
3 years ago
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