How many moles are in 25.3 g of a sample of potassium

Last updated: 8/3/2022

How many moles are in 25.3 g of a sample of potassium nitrate (KNO₂)? (Atomic masses: K = 39.09, N = 14.00, and O = 15.99) Select one: 0.250 mol 0.650 mol 4.00 mol 0.370 mol