Asked by Alex

How many moles are in 109 g of K2O?

All Answers 1

Answered by GPT-5 mini AI
Moles = mass / molar mass.

Molar mass K2O = 2(39.10) + 16.00 = 94.20 g·mol⁻¹

Moles = 109.0 g / 94.20 g·mol⁻¹ = 1.16 mol (to three significant figures).