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ad-work [718]
3 years ago
7

What is the molar mass of 3.45 moles of NO2

Chemistry
2 answers:
marissa [1.9K]3 years ago
4 0

I Believe it would be 46.005500

hoped this helped let me know if I'm wrong

Vinil7 [7]3 years ago
4 0

<u>Answer:</u> The mass of nitrogen dioxide for given number of moles are 158.7 grams.

<u>Explanation:</u>

To calculate the mass for given number of moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}

We are given:

Moles of nitrogen dioxide = 3.45 moles

Molar mass of nitrogen dioxide = [14+(2\times 16)]=46g/mol

Putting values in above equation, we get:

3.45mol=\frac{\text{Mass of }NO_2}{46g/mol}\\\\\text{Mass of }NO_2=(3.45mol\times 46g/mol)=158.7g

Hence, the mass of nitrogen dioxide for given number of moles are 158.7 grams.

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8 0
3 years ago
1. Starting with 9.3 moles of O 2 , how many moles of H 2 S will be needed and how many moles of SO 2 will
enyata [817]

Answer:

Moles of H₂S needed = 6.2 mol

Moles of SO₂ produced = 6.2 mol

Explanation:

Given data:

Number of moles of O₂ = 9.3 mol

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Moles of SO₂ produced = ?

Solution:

Chemical equation:

2H₂S + 3O₂      →    2SO₂ + 2H₂O

Now we will compare the moles of oxygen with H₂S.

                  O₂             :           H₂S

                    3             :             2

                   9.3            :         2/3×9.3 = 6.2 mol

Now we will compare the moles of SO₂ with both reactant.

                   O₂             :            SO₂

                    3              :               2

                   9.3            :         2/3×9.3 = 6.2 mol      

                 H₂S             :            SO₂

                    2              :               2

                   6.2            :          6.2 mol      

So 6.2 moles of  SO₂ are produced.

         

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tangare [24]
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