Respuesta :
Answer: 0.265 moles
Explanation: To calculate the moles, we use the formula:
[tex]{\text{Moles of sodium carbonate}}=\frac{\text{Given mass}}{\text{Molar mass}}[/tex]
Given mass= 28.1 g
Molar mass = 106 g/mol
[tex]{\text{Moles of sodium carbonate}}=\frac{28.1g}{106g/mol}=0.265moles[/tex]
