The visible universe is estimated to contain
Question:

The visible universe is estimated to contain $10^{22}$ stars. How many moles of stars are present in the visible universe?

Solution:

No. of stars present in visible universe $=10^{22}$

No. of moles of stars present $=\frac{10^{22}}{6.022 \times 10^{23}}=0.0166 \mathrm{~mol}$.

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