MCQ
Avogadro number is
- ANumber of atoms in one gram of element
- BNumber of millilitres which one mole of a gaseous substances occupies at $NTP$
- ✓Number of molecules present in one gram molecular mass of a substance
- DAll of these
It is equal to $6.022 \times 10^{23}$.
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${X_2} + {O_2} \rightleftharpoons 2XO\,\,\,\,\,\,\,\,\,\,\,{K_1} = 5$
${X_2} + 2{O_2} \rightleftharpoons 2X{O_2}\,\,\,\,\,\,\,\,\,\,\,{K_2} = 10$