What is the total number of gram-atoms of oxygen present in of washing soda ()? — Mole Concept and Some Basic Concepts of Chemistry Chemistry Question

💡 Solution & Explanation

The formula $Na_2CO_3 \cdot 10H_2O$ contains 3 oxygen atoms from the carbonate and 10 from the water molecules. <br>$\text{Total O atoms} = 3 + 10 = 13$. <br>$\text{Gram-atoms} = \text{moles of atoms} = 13$.