Determine which of the following contains greatest mass of hydrogen: 1 mol of ch4, 0.6 mol of c6h6, or 0.4 mol of
c3h8.

1 mole of methane has the greatest mass of hydrogen.

Explanation:

To calculate the mass of hydrogen, we use the equation:

     .....(1)

In 1 mole of methane, 1 mole of carbon atom and 4 moles of hydrogen atoms are there.

Molar mass of hydrogen = 1 g/mol

Moles of hydrogen = 4 moles

Putting values in equation 1, we get:

The mass of hydrogen in 1 mole of is 4 g

In 1 mole of benzene, 6 moles of carbon atoms and 6 moles of hydrogen atoms are there.

So, in 0.6 moles of benzene, (6 × 0.6) = 3.6 moles of carbon atoms and (6 × 0.6) = 3.6 moles of hydrogen atoms are there.

Molar mass of hydrogen = 1 g/mol

Moles of hydrogen = 3.6 moles

Putting values in equation 1, we get:

The mass of hydrogen in 0.6 mole of is 3.6 g

In 1 mole of , 3 moles of carbon atom and 8 moles of hydrogen atoms are there.

So, in 0.4 moles of , (3 × 0.4) = 1.2 moles of carbon atoms and (8 × 0.4) = 3.2 moles of hydrogen atoms are there.

Molar mass of hydrogen = 1 g/mol

Moles of hydrogen = 3.2 moles

Putting values in equation 1, we get:

The mass of hydrogen in 0.4 mole of is 3.2 g

Hence, 1 mole of methane has the greatest mass of hydrogen.

where is the following

explanation:

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