52u of He contains how many atoms
Answers
Answered by
1
Answer:
7.8286 × 10^24. In 52 u of He 7.8286 × 10^24 atoms are present
Answered by
1
Answer:
7.8286x10^23
Explanation:
- 1 mole of helium have mass is =4u
- number of moles in 52u of helium=53/4
- =13 moles
- 1 mole is equal to 6.022 x 10^ 23 atom
- In 13 He=13x6.622x10^23
- 78.286x10^23
- =7.8286x10^24
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