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rusak2 [61]
3 years ago
10

HELP PLZ !!! 15 points

Chemistry
2 answers:
Ulleksa [173]3 years ago
3 0
Hi I’m here, what can I do to help
lara [203]3 years ago
3 0

Explanation:

i don't see your question

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This description needs a unit describing the system of measurement.

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Which statement about gravity is true?
Alecsey [184]

Answer:

statement about property is not true

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if you think the answer is Grace Mark me as brain a list

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3 years ago
What is the importance of knowing capacity, appreciation and experimental error in measuring instruments?
Tanzania [10]

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Explanation:hope it helps

8 0
2 years ago
For an alloy containing 50% cu and 50% ni, calculate the amounts of solid s and liquid l presents at 1300c. show that the total
iris [78.8K]
100 %cuni calculate the amounts of solid s and liquid
3 0
3 years ago
Help?
Ahat [919]

Answer:

KClO_3

Explanation:

Hello!

In this case, as we know the mass of the total sample, we can first compute the mass of oxygen:

m_O=22.9g-7.33g-6.65g=8.92g

Next, we compute the moles of each element:

n_K=\frac{7.33g}{39.9g/mol}= 0.184mol\\\\n_{Cl}=\frac{6.65g}{35.45g/mol}=0.188mol \\\\n_O=\frac{8.92g}{16.00g/mol} =0.5575mol

Now, we divide the moles by 0.184 moles, the fewest ones, to obtain:

K=\frac{0.184}{0.184}=1.0 \\\\Cl=\frac{0.187}{0.184}=1.0\\\\O=\frac{0.5575}{0.184}  =3.0

Therefore, the empirical formula is:

KClO_3

Regards!

3 0
2 years ago
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