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04.02.2021 •
Mathematics
What is the sign of B + A?
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Ответ:
Step-by-step explanation: That is the formula of the Pythagorean theorem. Formulas are down.
If solving for the leg, this is the formula:
If solving for the hypotenuse, this is the formula:
Ответ:
Mass of nitrogen = 100 (.78) = 78 grams
Moles of nitrogen = 78 g ( 1 mol / 28 g ) = 2.7857 mol
Therefore, the correct answer from the choices listed above is the first option. Have a nice day.