Question

HOW MANY MOLECULES WOULD BE THERE IN 0.01 MOLES OF SODIUM HYDROXIDE?

Answer 1

0.01 moles of sodium hydroxide contains $6.022\times10^{21}$ molecules.

Given:

Number of moles of sodium hydroxide = 0.01

To find:

Number of molecules = ?

Formula to be used:

Number of molecules = Number of moles × Avogadro's number

Calculation:

As per the given data, the number of moles is 0.01, whereas the standard value for Avogadro's number is $6.022\times10^{23}$.

Substituting these values in the following formula gives number of molecules present:

Number of molecules = Number of moles × Avogadro's number

Number of molecules = 0.01 × $6.022\times10^{23}$

Number of molecules = $0.06022\times10^{23}$

Number of molecules = $6.022\times10^{21}$

Conclusion:

Thus it is inferred that in 0.01 moles of sodium hydroxide, $6.022\times10^{21}$ molecules will be present.

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Answer 2

0.01 moles of Sodium Hydroxide contains 6.022 × 10²¹ Molecules