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photoshop1234 [79]
3 years ago
13

What is the formula to find the area of circle​

Chemistry
1 answer:
Advocard [28]3 years ago
6 0

Answer:

A= π * r *2

Explanation:

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How many moles of nitrogen are in 38 grams of nitrogen?
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2 years ago
How many mol of hydrogen in 2.8 mol of caffeine.
pochemuha
Empirical formula of caffeine is C₈H₁₀N₄O₂.

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ANSWER: There are 28 mol of hydrogen.

:-) ;-)
5 0
3 years ago
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