Question

Determine the mass of 5.20 moles of C6H12 (gram-formula mass = 84.2 grams/mole).

Answer 1

Molar mass C₆H₁₂ = 84.2 g/mol

1 mole ---------- 84.2 g
5.20 moles ---- ?

Mass C₆H₁₂ = 5.20 * 84.2 / 1

Mass = 437.84 /1

= 437.84 g

hope this helps!

Answer 2

Hello!

Determine the mass of 5.20 moles of C6H12 (gram-formula mass = 84.2 grams/mole).

We have the following data:

m (mass) = ?

n (number of moles) = 5.20 moles

MM (Molar mass of C6H12) ≈ 84.2 g/mol

Now, let's find the mass, knowing that:

`n = (m)/(MM)`

`5.20\:\:\diagup\!\!\!\!\!\!\!mol = (m)/(84.2\:g/\diagup\!\!\!\!\!\!\!mol)`

`m = 5.20*84.2`

`\boxed{\boxed{m = 437.84\:g}}\end{array}}\qquad\checkmark`

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I Hope this helps, greetings ... Dexteright02! =)