Which of the following equations can be used to calculate poh?
a) poh=-logkw
b)poh=pkw+ph
c)poh=pkw-ph
d)poh=-log[h+]

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease. correct answer for apex - a, its nonpolar end dissolves the grease.

How many atoms are there in 5.70 mol of mg

The valence of aluminum is +3, and the valence of the chlorine is -1. the formula fir the aluminum chloride is correctly written as