Question

Answer the given question: use Chapter 1 of notebook

How many formula units are there in 3.20x 102 moles of LICI? (2pts.)
Conversion factor: 1 mole LICI=
_formula of LICI
Students, draw anywhere on this slide!

Answer 1

1.93 x 10²⁶ formula units

Step-by-step explanation:

Given parameters:

Number of moles of LiCl = 3.2 x 10² moles = 320moles

Unknown:

Number of formula units in this compound = ?

Solution:

The mole is used a reference to determine the number of substances matters contain.

A mole contains the Avogadro's number of particles.

So;

1 mole of a substance contains 6.02 x 10²³ formula units;

320 moles of LiCl will contain 320 x 6.02 x 10²³ = 1.93 x 10²⁶ formula units