3) a 10.00-ml sample of 0.1000 m kh2po4 was titrated with 0.1000 m hcl ka for phosphoric acid (h3po4): ka1= 7.50x10-3 ; ka2=6.20x10-8 ; ka3= 4.20x10-10 calculate the ph after addition of 10.00 ml of hcl to the kh2po4 solution?

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?

What is the percentage of hydrogen in c2h4

What causes different colors to appear in the sky? the absorption of light by air molecules the reflection of light by bodies of water the greenhouse effect in earth's atmosphere the scattering and reflection of light by dust particles