hinesjamie hinesjamie

07-01-2020
Chemistry

contestada

How many formula units are in a 3.5g sample of aluminum hydroxide

Respuesta :

29-03-2021

Use stoichiometry.

3.5g-> moles

22.99+16+1.0079=39.99

Now 3.5/39.99 = .088 moles of NaOH

Now you can use avagadros number 6.022x10^23

.088 moles -> formula units

.088/6.022x10^23

You should end up with

1.46x10-25 formula units.

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