Question

how many molecules of na2co3 are present in its 1 mole ?

Answer 1

Actually 1 mole of any substance (wheather compound or any element) contains 6.022 × 10^23 atoms or molecules

Answer 2

Given:

Number of moles of $Na_2CO_3$ = 1

To find:

Number of molecules present in 1 mole of $Na_2CO_3$ = ?

Formula to be used:

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

Calculation:

Avogadro's number = $6.022\times 10^{23}$

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

∴ Number of molecules = 1 ×$6.022\times 10^{23}$

Number of molecules = $6.022\times 10^{23}$

Conclusion:

1 mole of $Na_2CO_3$ is composed of $6.022\times 10^{23}$ molecules.

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