Answered

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How many formula units are in 1.58 moles of LiOH ?
A)
2.53E24
B)
3.79E24
0)
3.49E25
D)
9.51E23

Sagot :

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There are D) 9.51E23

Further explanation

Given

1.58 moles of LiOH

Required

The number of formula units

Solution

The mole is the number of particles(molecules, atoms, ions, formula units) contained in a substance  

1 mol = 6.02.10²³ particles

Can be formulated

N=n x No

N = number of particles

n = mol

No = Avogadro's = 6.02.10²³

So for 1.58 moles :

= 1.58 x 6.02 x 10²³

= 9.5116 x 10²³

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