Answers: 1
Chemistry, 21.06.2019 16:30
10-14. (a) when 100.0 ml of weak acid ha were titrated with 0.093 81 m naoh, 27.63 ml were required to reach the equivalence point. find the molarity of ha. (b) what is the formal concentration of a- at the equivalence point? (c) the ph at the equivalence point was 10.99. find pk. for ha. (d) what was the ph when only 19.47 ml of naoh had been added?
Answers: 1
Chemistry, 22.06.2019 13:00
6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.
Answers: 1
Chemistry, 22.06.2019 13:30
Ants live on acacia trees in south america. the ants feed on sugars secreted by the trees. the trees provide room for the ants to live. the ants sting any other insect or animal that comes to eat the trees. what type of relationship is this?
Answers: 1
Protons and neutrons are held together by what nuclear forces?...
Social Studies, 24.02.2021 21:00
History, 24.02.2021 21:00
Mathematics, 24.02.2021 21:00
Mathematics, 24.02.2021 21:00
Mathematics, 24.02.2021 21:00
Mathematics, 24.02.2021 21:00
History, 24.02.2021 21:00
Physics, 24.02.2021 21:00
Computers and Technology, 24.02.2021 21:00
Physics, 24.02.2021 21:00
Mathematics, 24.02.2021 21:00
History, 24.02.2021 21:00