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Tanya [424]
3 years ago
7

What is the molarity of a solution made by dissolving 20.0 g of H3PO4 in 50.0 mL of solution

Chemistry
1 answer:
Rom4ik [11]3 years ago
8 0
(20*1000)÷(molecular weight of H3po4*50)

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What is the empirical formula for a compound that contains 38.77% Cl and 61.23% O?
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ClₐOₓ
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w(Cl)=35.5a/(35.5a+16.0x)
w(O)=16.0x/(35.5a+16.0x)

solve a system of two equations with two unknowns
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16.0x/(35.5a+16.0x)=0.6123

a=2
x=7

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