Suppose you have 1.0 mol of O_{2} gas. How many coulombs of positive charg

vetrila10

vetrila10

Answered question

2021-11-07

Suppose you have 1.0 mol of O2 gas. How many coulombs of positive charge are contained in the atomic nuclei of this gas?

Answer & Explanation

Lible1953

Lible1953

Beginner2021-11-08Added 16 answers

Step 1
n=1.0 mol of O2 contains NA=6.0231023mol1 molecules of oxygen. Each molecule of oxygen contains two nuclei of oxygen, each of which has 8 protons. The total number of protons contanined in one mole is then
N=28nNA=166.0231023=961023. Each proton carries e=1.601019C of positive charge. Therefore, the total positive charge is
Q+=Ne=1.5106C
Answer
The total positive charge contained in one mole of molecular oxygen gas is 1.5106C.

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