How many moles of ammonia are in 1.20E25 molecules of ammonia.

1 mol is 6.02E23 molecules so you have

1.20E25/6.02E23 = ? mols.

1.99x10^50

To determine the number of moles of ammonia, we need to use Avogadro's number, which states that one mole of any substance contains 6.022 x 10^23 particles (atoms or molecules).

Given:
Number of molecules of ammonia = 1.20 x 10^25

To calculate the number of moles, we can use the formula:

Number of moles = Number of molecules / Avogadro's number

Substituting the given values:

Number of moles = 1.20 x 10^25 / 6.022 x 10^23

Number of moles = 19.933

Therefore, there are approximately 19.933 moles of ammonia in 1.20 x 10^25 molecules.

To find the number of moles in a given number of molecules, you need to use Avogadro's number, which states that there are 6.022 x 10^23 molecules in 1 mole of a substance.

In this case, you have 1.20E25 molecules of ammonia. To find the number of moles, divide this by Avogadro's number:

1.20E25 molecules / (6.022 x 10^23 molecules/mol)

Calculating this:

= 1.20E25 / 6.022 x 10^23
= 1.9917E1

So, there are approximately 19.917 moles of ammonia in 1.20E25 molecules.