In 100 mL of solution, the number of millimoles of ions is: — Mole Concept and Some Basic Concepts of Chemistry Chemistry Question

💡 Solution & Explanation

$\text{mmol } Na_2CO_3 = 10$. <br>Each formula unit has $2 Na^+$. <br>$\text{mmol } Na^+ = 10 \times 2 = 20$. [2, 29]