Chemistry, 14.05.2021 02:10 etxchrissy
In Part A of an experiment, you made a mixture with a large excess of Fe3+ and then assumed that the SCN- was essentially “used up” in the reaction. Using the average K value reported below, evaluate the validity of this assumption.
Part A Data:
Volume of 0.20 M Fe(NO3)3 solution: 18.01 mL
Volume of 3.0 x 10-3 M KSCN solution: 1.00 mL
Reported K Value: 120±20
1) Calculate the molarity of SCN- ions that are actually present at equilibrium in the mixture in Part A.
2) Calculate the percentage of the SCN- ion that did not react in this mixture.
%ofSCN-=[SCN- at equilibrium] / initial[SCN-] * 100%
3) Based on your calculations, can we confirm that all of the SCN- reacted with Fe3+ in Part A? Explain.
Answers: 2
Chemistry, 21.06.2019 22:00
Which describes interactions between substances and stomata during photosynthesis? check all that apply. oxygen enters stomata. oxygen is released through stomata. carbon dioxide enters stomata. carbon dioxide is released through stomata. hydrogen enters stomata. hydrogen is released through stomata.
Answers: 1
Chemistry, 22.06.2019 02:50
Consider the equilibrium system: 2icl(s) ⇄ i2(s) + cl2(g) which of the following changes will increase the total amount of of cl2 that can be produced? all of the listed answers are correct decreasing the volume of the container removing the cl2 as it is formed adding more icl(s) removing some of the i2(s)
Answers: 1
Chemistry, 23.06.2019 06:30
The molar mass of cu is 63.55 g/mol. the number of grams of cu produced in this reaction is
Answers: 3
In Part A of an experiment, you made a mixture with a large excess of Fe3+ and then assumed that the...
Health, 10.12.2020 18:20
Social Studies, 10.12.2020 18:20
Physics, 10.12.2020 18:20
Mathematics, 10.12.2020 18:20
Social Studies, 10.12.2020 18:20
Mathematics, 10.12.2020 18:20
Mathematics, 10.12.2020 18:20
Mathematics, 10.12.2020 18:20
Geography, 10.12.2020 18:20
History, 10.12.2020 18:20
Chemistry, 10.12.2020 18:20