500.0 mL of 0.0500 M NaOH is added to 250.0 mL of 0.0750 M H3PO4 in a 1 L volumetric flask and mixed. The solution is diluted to the mark with distilled water and mixed again. What is the ionic strength of the solution?

Which statement characterizes synthetic polymers? a. they come from animals and plants. b. they are found in nature. c. they are made in a lab. d. they are components of starch.

Which statement best describes the liquid state of matter? a. it has definite shape but indefinite volume. b. it has definite shape and definite volume. c. it has indefinite shape and indefinite volume. d. it has indefinite shape but definite volume.

How much energy is required to vaporize 2 kg of copper? a 4730 kj b 207kj c 9460 kj d 414kj