Why is a solution not a pure substance?

A. It is made up of two substances that are chemically combine.

B. It is made up of one substance.

C. It is a mixture between a solute and solvent.

D. The solute and solvent cannot be separated.

write a generalization correlating solubility with ionization. start with: "as compounds become more ionized, ..."

The mass of an atom may be determined by adding the masses of the protons and neutrons in the nucleus. Why is it unnecessary to include the electrons when determining the mass of an atom?

A solution was prepared by dissolving 150.0 g of kcl in 295 g of water. calculate the mole fraction of kcl. (the formula weight of kcl is 74.6 g/mol. the formula weight of water is 18.0 g/mol.) express the mole fraction of kcl to two decimal places.

What type of energy is present inside the bonds of atoms?

How many grams of nitric acid will react completely with a block of iron metal that is 4.5 cm by 3.0 cm by 3.5 cm, if the density of iron is 7.87 g/mL? Show all steps of your calculation as well as the final answer. Fe + HNO3 → Fe (NO3) 3 + H2

The formula for binary ionic compound formed between cesium and fluorine

If the mass of a material is 76 grams and the volume of the material is 16 cm3, what would the density of the material be? g/cm3

Calculate the specific heat of a metallic element if 50.0 g of the metal need 314 joules of heat energy to raise the temperature from 25°C to 50°C.

State the relationship between the number of electrons in a carbon-nitrogen bond and carbon-nitrogen bond energy

What are the characteristics of bones?