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iogann1982 [59]
3 years ago
7

If D+2 would react with E!, what do you predict to be the formula?

Chemistry
1 answer:
kherson [118]3 years ago
6 0

Answer:

I think the answers D. Hope this helps you.

Explanation:

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zlopas [31]

Answer:

Please don not post  Questions that don'y make sense

Explanation:

P.s: Thanks for the point and have anice day

4 0
3 years ago
The mole fraction of CO2 in a certain solution with H2O as the solvent is 3.6 × 10−4. What is the approximate molality of CO2 in
nataly862011 [7]

Answer: C) 0.020 m

Explanation:

Molality of a solution is defined as the number of moles of solute dissolved per kg of the solvent.

Molality=\frac{n\times 1000}{W_s}

where,

n = moles of solute  

W_s = weight of solvent in g  

Mole fraction of CO_2 is = 3.6\times 10^{-4} i.e.3.6\times 10^{-4}  moles of CO_2 is present in 1 mole of solution.

Moles of solute (CO_2) = 3.6\times 10^{-4}

moles of solvent (water) = 1 - 3.6\times 10^{-4} = 0.99

weight of solvent =moles\times {\text {Molar mass}}=0.99\times 18=17.82g

Molality =\frac{3.6\times 10^{-4}\times 1000}{17.82g}=0.020

Thus  approximate molality of CO_2 in this solution is 0.020 m

5 0
4 years ago
Carbon paired electrons
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Answer:

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Explanation:

4 0
3 years ago
Naturally occurring boron (B) contains 80.0% 11B (11.01 amu) and 20.0% 10B (10.01 amu). Calculate the average atomic mass of bor
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4 years ago
Compared to the bedrock layers above and below the rock ledge shown at the waterfall, the characteristic that is primarily respo
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3 years ago
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