The visible universe is estimated to contain 1022 stars- How many moles of stars are present in the visible universe-

Name: EXEMP - Grade 09 - Chemistry - Atoms and Molecules - Q33
Uploaded: 2022-07-04T10:36:42+05:30
Description: One mole of stars =6.022 × 10^23 stars Number of moles in 10^22 stars = 10^22/6.022 × 10^23 = 0.0166 moles ...

One mole of stars =6.022 × 10^23 stars Number of moles in 10^22 stars = 10^22/6.022 × 10^23 = 0.0166 moles ...

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Standard IX

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Mole Concept & Avogadro Number

The visible u...

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Question 33
The visible universe is estimated to contain 10²² stars. How many moles of stars are present in the visible universe?

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Solution

One mole of stars = $6.022 \times 10^{23}$ stars
Number of moles in $10^{22}$ stars $= \frac{10^{22}}{6.022 \times 10^{23}}$ = 0.0166 moles

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Question 33 The visible universe is estimated to contain 1022 stars. How many moles of stars are present in the visible universe?

One mole of stars =6.022×1023 stars Number of moles in 1022 stars =10226.022×1023 = 0.0166 moles

Question 33
The visible universe is estimated to contain 10²² stars. How many moles of stars are present in the visible universe?

One mole of stars = $6.022 \times 10^{23}$ stars
Number of moles in $10^{22}$ stars $= \frac{10^{22}}{6.022 \times 10^{23}}$ = 0.0166 moles