In this part of the periodic table, what type of elements are in the group that includes elements c, o, and s?
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<u>Question 1</u>
The formula mass of methanol is g/mol.
Therefore, in 5.0 grams of methanol, there are moles.
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<u>Question 2</u>
The formula mass of copper(II) carbonate is g/mol.
This means that in 9.0 grams of copper(II) carbonate, there are moles.
Using Avogradro's number, there are molecules.
<u>Question 3</u>
The formula mass of cyclohexane is g/mol.
So, 3.0 grams of cyclohexane is the same as moles.
<u>Question 4</u>
The formula mass of benzene is g/mol.
This means that 4.00 moles of benzene has a mass of grams.
<u>Question 5</u>
1000 atoms of calcium is the same as moles.
This is equal to grams.