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strojnjashka [21]
2 years ago
5

Which chemical name is correctly paired with the chemical formula?

Chemistry
1 answer:
olya-2409 [2.1K]2 years ago
6 0

Answer:

Tin bromine = Snbr2

aluminum fluorate = AlFe3

iron oxide = Fe2o3

potassium chloride = KCL or 2KCL = K2CL2

All Pairs are correct

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Empirical formula of a compound composed of 32.1 g potassium (k) and 6.57 g oxygen (o)?
tester [92]

The empirical formula is K₂O.

The empirical formula is the <em>simplest whole-number ratio</em> of atoms in a compound.

The <em>ratio of atom</em>s is the same as the <em>ratio of moles</em>.

So, our job is to calculate the <em>molar ratio</em> of K to O.

Step 1. Calculate the <em>moles of each element </em>

Moles of K = 32.1 g K × (1 mol K/(39.10 g K =) = 0.8210 mol K

Moles of O = 6.57 g O × (1 mol O/16.00 g O) = 0.4106 mol 0

Step 2. Calculate the <em>molar ratio of each elemen</em>t

Divide each number by the smallest number of moles and round off to an integer

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Step 3: Write the <em>empirical formula </em>

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I hope this helps :)

6 0
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Read 2 more answers
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