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Olenka [21]
3 years ago
10

Which of the following are directly proportional? *

Chemistry
1 answer:
Ivanshal [37]3 years ago
5 0
Volume and temperature.
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What is the empirical formula of a compound composed of 30.5 g potassium (k) and 6.24 g oxygen (o)?
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convert grams to moles, divide both by the smallest mole mass, multiply that until hole.

30.5 g K ÷ 39.10 = .78 mol
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.39 mol ÷ .39 mol = 1
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