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sleet_krkn [62]
3 years ago
5

What is the photoelectric effect?

Chemistry
1 answer:
scZoUnD [109]3 years ago
7 0
It's the emission of an electron when lights hit metal! Hope that helps! :)
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A compound is analyzed and found to contain 22.10%Al, 25.40%P, and 52.50%O. What is the empirical formula of the compound?
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A compound is analyzed and found to contain 22.10%Al, 25.40%P, and 52.50%O

Let the total mass of compound = 100g

The mass of Aluminum = 22.10 g

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The mass of P = 25.40 g

Moles of P = 25.40 / 31 = 0.819

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The whole number ratio will be 1 : 1 : 4

So formula will be AlPO4


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