6. Calculate the mol in 88 liters of krypton.
a. 3.9 mol Kr (orange)
b. 4.1 mol Kr (green)
c. 3.7 mol Kr (yellow)

What is the wavelength of a wave with a velocity of 50 m/s and a frequency of 5hz a 250 m b 0.1 m c 10m d 0.01 m

What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures

What is the solubility-product constant of barium sulfate, baso4, if a saturated solution is 1.03 ´ 10-5 m?