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UkoKoshka [18]
3 years ago
8

Approximately how many moles of chlorine make up 1.79 × 1023 atoms of chlorine?

Chemistry
2 answers:
USPshnik [31]3 years ago
5 0

Answer:

There are 0.2972 moles of chlorine in 1.79\times 10^{23} atoms of chlorine.

Explanation:

N=n\times N_A

Where:

N = Number of particles / atoms/ molecules

n = Number of moles

N_A=6.022\times 10^{23} mol^{-1} = Avogadro's number

We have:

N = 1.79\times 10^{23}  atoms of chlorine

n =?

n=\frac{N}{N_A}=\frac{1.79\times 10^{23}}{6.022\times 10^{23} mol^{-1}}

n = 0.2972  moles

There are 0.2972 moles of chlorine in 1.79\times 10^{23} atoms of chlorine.

Burka [1]3 years ago
3 0
Answer:

0.297mol Cl

Step-by-step explanation:

To convert from atoms to moles we must divide the amount of moles by Avagadro’s number.

1.79 x 10^23 atoms / 6.02 x 10^23
= 0.297mol Cl

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