Note the molecular mass of a copper(I) oxide molecule in the image below. What is the mass of 8.250 moles of Cu2O?

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Alleei Alleei · Answer 1 · 2020-05-14T06:45:07+02:00

Answer : The mass of copper(I) oxide is, 1180.5 grams.

Explanation : Given,

Moles of copper(I) oxide = 8.250 mol

Molar mass of copper(I) oxide = 143.09 g/mol

Formula used:

[tex]\text{ Mass of copper(I) oxide}=\text{ Moles of copper(I) oxide}\times \text{ Molar mass of copper(I) oxide}[/tex]

Now put all the given values in this formula, we get:

[tex]\text{ Mass of copper(I) oxide}=(8.250moles)\times (143.09g/mole)=1180.5g[/tex]

Therefore, the mass of copper(I) oxide is, 1180.5 grams.

samueladesida43 samueladesida43 · Answer 2 · 2021-10-08T12:54:54+02:00

The mass of 8.250 moles of Cu2O is 1180.5g

HOW TO CALCULATE MASS OF A SUBSTANCE:

The mass of a substance can be calculated by multiplying the number of moles in the substance by its molar mass as follows:

Mass (g) = no. of moles (mol) × molar mass (g/mol)

= 143.09 g/mol

Mass of Cu2O = 8.250 mol × 143.09g/mol

Mass of Cu2O = 1180.5g.

Therefore, the mass of 8.250 moles of Cu2O is 1180.5g.

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