alcott1110
10.01.2020 •
Chemistry
The molecular mass of air, at standard pressure and temperature, is approximately 28.97 g/mol. calculate the mass of 3.33 moles of air. next, cancel like terms and units. which of the following shows the correct terms and units canceled?
a> n> s: 2nd choice
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Ответ:
Mass = 96.5 g
Explanation:
Given data:
Molar mass of air = 28.97 g/mol
Moles of air = 3.33 mol
Mass of air = ?
Solution:
Number of moles = mass/ molar mass
Mass = Number of moles × molar mass
Mass = 3.33 mol × 28.97 g/mol
Mass = 96.5 g
Ответ:
cutting of trees
Explanation:
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