salatibrahim salatibrahim
  • 18-02-2020
  • Chemistry
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1. How many moles are contained in 2.22 x 1024 molecules of calcium fluoride?

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oladipupog80
oladipupog80 oladipupog80
  • 02-03-2020

Answer:

= 3.7moles

Explanation:

I mole = 6.022 × 10²³ molecules

I molecule = 1 ➗ 6.022 × 10²³ moles

2.22 ×10‘’ 24molecules  = (2.22×10‘’ 24) ÷6.022 × 10²³ moles

Number of moles = 2.22/6.022 × 10" 24-23

Number of moles = 0.37 × 10

Number of moles = 3.7moles

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