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## QuestionChemistryClass 11

How many years it would take to spend Avogadro's number of rupees at the rate of $${1}$$ million repees in one second?

$$\therefore{10}^{{{6}}}$$ rupees are spent in $${1}{\sec{}}$$
$$\therefore{6.23}\times{10}^{{{23}}}$$ rupees are spent in $$\frac{{{1}\times{6.023}\times{10}^{{{23}}}}}{{{10}^{{{6}}}}}{\sec{}}$$.
$$=\frac{{{1}\times{6.023}\times{10}^{{{23}}}}}{{{10}^{{{6}}}\times{60}\times{60}\times{24}\times{365}}}$$
$$={19.098}\times{10}^{{{9}}}$$ Years