contestada

29.2 grams of methane (carbon tetrahydride), CH4, is how
many moles?
[Round your answer to the nearest hundredth (0.01)]

Respuesta :

quasarJose

Answer:

1.83moles

Explanation:

Given parameters:

Mass of methane given  = 29.2g

Unknown:

Number of moles = ?

Solution:

To find the number of moles in this mass of a compound;

     Number of moles  = [tex]\frac{mass}{molar mass}[/tex]  

Molar mass of CH₄   = 12 + 4(1)  = 16g/mol

Now;

    Number of moles  = [tex]\frac{29.2}{16}[/tex]   = 1.83moles

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