Question

How many atoms are in 1.990 moles of zinc?

Answer 1

the answer is 1.98378x10^24

Step-by-step explanation:

you multiply 1.990 times 6.022x10^23

which is mole times number of things

Answer 2

1.198×
`10^(24)` atoms

Step-by-step explanation:

To answer this, you will need to use Avogadro's number (6.02×10^23) to convert between moles and atoms.

You can use dimensional analysis to set up and solve the equation as seen below:

`(1.990 mol Zinc)/(1)` ×
`(6.02*10^(23) atoms )/(1 mol Zinc)` = 1.198×
`10^(24)` atoms

Hope this helps!