Question

What is the mass of 0.25 moles of water? O 0.25 g 4.5 g 18 g 72g

Answer 1

4.5 g

Step-by-step explanation:

The mass of 1 mol of water is 18.02 g.

`\text{Mass of H$_(2)$O} = \text{0.25 mol H$_(2)$O} * \frac{\text{18.02 g H$_(2)$O}}{\text{1 mol H$_(2)$O}} = \textbf{4.5 g H$_(2)$O}`