Question

what is the molar mass of no2? 1 mol n = 14.01 g n 1 mol o = 16.00 g o 1 mol no2 = ? g no2 round your answer to two decimal places.

Explanation:

Step1: Identify elements in $NO_2$

$NO_2$ has 1 nitrogen (N) and 2 oxygen (O) atoms.

Step2: Calculate molar - mass contribution of N

The molar mass of N is 14.01 g/mol. Since there is 1 N atom, its contribution is 14.01 g.

Step3: Calculate molar - mass contribution of O

The molar mass of O is 16.00 g/mol. Since there are 2 O atoms, its contribution is $2\times16.00 = 32.00$ g.

Step4: Calculate molar mass of $NO_2$

Add the contributions of N and O: $14.01+32.00 = 46.01$ g/mol.

Answer:

46.01