200.0 mL of a 0.630 M solution of KCl is diluted to 600.0 mL. What is the new concentration of the solution?

Find the protons, electrons and neutrons for strontium with a mass of 83

Complete the sentence. the lower the hydrogen ion concentration, the the ph. higher lower closer to 7 closer to 0

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?