# What is the mass of 3 moles of #"C"_2"H"_2# ?

##### 3 Answers

#### Explanation:

Every mole of

Thus,

gives you the mass of

Molar mass of

Therefore, mass of 3 moles of

#### Explanation:

Acetylene

To find out the mass of moles, we have to multiply the number of moles by the molar mass of the substance, i.e. we can form an equation like this:

So, the mass of three moles of acetylene is

Now, we can round off to the nearest whole number to make the answer more reasonable, so it'll be