Describe the scale used to measure the acidity of a substance. Demonstrate how you could differentiate a weak acid from a strong one.​

Asolution has a ca2+ concentration of 0.049 m and an f- concentration is 0.147 m at equilibrium. the value of ksp for caf2 at 25°c is 4.0 x 10-11. will this solution form a precipitate? yes no

Which characteristic of water it form droplets? a. low specific heat b. nonpolar structure c. high surface tension d. ability to dissolve substances

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.