2 years ago

1 What is the mass of 0.328 mol of CO2?

2 answers:

5 0

A practical chemical unit for handling atoms and molecules. Since atoms and molecules are so small, it is impossible to handle and count atoms and molecules individually. Therefore, the Chemists devised a special unit to describe very large number of atoms, ions and molecules and it is called mole and is abbreviated as mol.

Crank2 years ago

3 0

Answer:

use this conversation units to help you hope it helps

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When heated, KClO3 decomposes into KCl and O2. KClO3--> 2KCl+ 3O . If this reaction produced 62.6 g of KCl, how much O2 was p

Vladimir [108]

The solution to your problem is as follows:

2 KClO3 → 2 KCl + 3 O2

MW of KCL = 39.1 + 35.35 = 74.6 g/mole

62.6/74.6 = 0.839 moles KCl produced

0.839 moles KCl x 3O2/2KCl x 32g/mole O2 = 40.27g of O2 was produced

Therefore, there are 40.27g of O2 produced during the reaction.

I hope my answer has come to your help. Thank you for posting your question here in Brainly.

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2 years ago

Sphalerite contains about 30% zinc. Calculate the maximum amount of zinc that could be obtained from 1000kg sphalerite.

melisa1 [442]

Answer:

300kg

Explanation: The question says about 30%, so I think it is 300kg

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2 years ago

Density of 30.00 mL of H2O

ohaa [14]

its not possible sorry