Question

How many molecules are there in 0.50 moles chlorine?

Answer 1

So the number of molecules in 0.50 moles of chlorine are 3.011 ×10²³molecules

Step-by-step explanation:

Given data:

Number of moles = 0.50 mol

Number of molecules = ?

Solution:

To solve this problem we will use the Avogadro number.

The number 6.022×10²³ is called Avogadro number and it is the number of atoms in one mole of substance or number molecules in one mole of compound.

While we have to find the molecules of chlorine in 0.50 moles.

35.5 g of chlorine = 1 mole of Cl = 6.022×10²³ molecules

For 0.50 moles:

0.50 × 6.022×10²³ = 3.011 ×10²³molecules

So the number of molecules in 0.50 moles of chlorine are

3.011 ×10²³molecules.

Answer 2

molecules Cl- = 3.01 E23 molecules

Step-by-step explanation:

molecules Cl- = 0.50 mol CL- * ( 6.02 E23 molecules/ mol ) = 3.01 E 23 molecules