What is the relation between molarity and mole fraction?

The plural of “brush” is “brushes.”

Explanation:

• “Brush” is a noun ending in -sh
• In English grammar, nouns ending in -s, -sh, -ch, -x, or -z form their plural by adding -es

Rule Applied:

• brush + es = brushes

Examples of Similar Words:

• dish → dishes
• box → boxes
• watch → watches

Conclusion:

The correct plural form of “brush” is brushes, following standard English pluralization rules.