2 years ago

What should the positive charge be on the Fe ion to balance out the -3 charge from the CI?

1 answer:

3 0

Fe needs to have a positive charge of +3 to balance out -3 Cl

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yKpoI14uk [10]

D.10.0 mol is the correct

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3 years ago

soldier1979 [14.2K]

The answer for question 14 would be C and question 15 is B

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3 years ago

Vinil7 [7]

Answer:

8.13x10^22 molecules

Explanation:

We can use the Avogadro's number(6.022 x 10^23 units / mole)

2.30 g NH3 (1 mol / 17.03 g ) (6.022 x 10^23 molecules / 1 mol ) = 8.13x10^22 molecules

Hope this helps! Feel free to ask any questions!

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2 years ago

Setler [38]

Is there any more to the picture?

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3 years ago

wariber [46]

Explanation:

For all of the questions, do the following calculation

$\frac{isotope \: \times abundance}{100} + \frac{isotope \: \times abundance}{100} ...$

As an example, I'll do question 1

$\frac{204 \times 1.480}{100} + \frac{206 \times 23.6}{100} + \frac{207 \times 22.6}{100} + \frac{208 \times 52.3}{100} = 207.20$

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3 years ago