A liquid solvent is added to a flask containing an insoluble solid. The total volume of the solid and liquid together is 94.0 mL. The liquid solvent has a mass of 27.4 g and a density of 0.865 g/mL. Determine the mass of the solid given its density is 3.25 g/mL.

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2

Does the number of ions in solution increase, decrease, or remain constant? it continuously decreases. it continuously increases. it decreases at first, then increases. it increases at first, then decreases.