How many moles and how many grams of magnesium phosphate are produced by starting with 100.0 grams of phosphoric acid and an excess of solid magnesium carbonate to produce magnesium phosphate, carbon dioxide and water

This chart represents the melting point of several substance. what besy explains the high melting point of the salt?

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.

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.