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प्रश्न
The visible universe is estimated to contain 1022 stars. How many moles of stars are present in the visible universe?
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उत्तर
1 mole of stars = 6.022 × 1023 stars
Number of moles of stars = `10^22/(6.023 xx 10^22)`
= 0.0166 moles
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Fill in the missing data in the Table
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| No. of moles | 2 | - | - | 0.5 |
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| Mass | 36g | - | 115 g | - |
