In order to reduce the expose to organic solvents like turpentine, some art instructors recommend the student clean brushes and hands with vegetable oil or mineral oil. would such oils be more effective removing water-based paints or oil-based paints? explain.

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

Phosphoric acid is a triprotic acid ( =6.9×10−3 , =6.2×10−8 , and =4.8×10−13 ). to find the ph of a buffer composed of h2po−4(aq) and hpo2−4(aq) , which p value should be used in the henderson–hasselbalch equation? p k a1 = 2.16 p k a2 = 7.21 p k a3 = 12.32 calculate the ph of a buffer solution obtained by dissolving 18.0 18.0 g of kh2po4(s) kh 2 po 4 ( s ) and 33.0 33.0 g of na2hpo4(s) na 2 hpo 4 ( s ) in water and then diluting to 1.00 l.

If i had 2 m naoh solution, what does the 2 m stand for? 2 molar, but 2 of a solute in 1