The concentration of dye in solution a is 20.422 m. a serial dilution is performed to make solutions b and c. in the first dilution, 2 ml of solution a is diluted with 12 ml water to make solution b. then, 2 ml of solution b is then diluted with 1 ml of water to make solution c. what is the concentration of dye in solution c? provide your response to three significant figures in units of molarity.

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled

How does the motion of particles in a gas change as the gas cools

Select the correct value for the indicated bond angle in each of the compounds. o−o−oo−o−o angle of o3 90° 109.5° < 109.5° 120° < 120° 180° f−b−ff−b−f angle of bf3 180° < 109.5° < 120° 120° 109.5° 90° f−o−ff−o−f angle of of2 < 120° 120° 90° 109.5° 180° < 109.5° cl−be−clcl−be−cl angle of becl2 90° 109.5° 180° 120° < 109.5° < 120° f−p−ff−p−f angle of pf3 90° 109.5° < 109.5° 180° 120° < 120° h−c−hh−c−h angle of ch4 90° < 109.5° 180° 120° < 120° 109.5°