Which pair of substances could form a buffered aqueous solution?

How many atoms are in 1.4 mil of phosphorus trifluoride (pf3)

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na,so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g