Sagot :
Solution:
[tex]\text{number of particles = 0.78 mol substance} × \frac{\text{6.022 × 10²³ particles}}{\text{1 mol substance}}[/tex]
[tex]\boxed{\text{number of particles = 4.7 × 10²³ particles}}[/tex]
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Solution:
[tex]\text{number of particles = 0.78 mol substance} × \frac{\text{6.022 × 10²³ particles}}{\text{1 mol substance}}[/tex]
[tex]\boxed{\text{number of particles = 4.7 × 10²³ particles}}[/tex]
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