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

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

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