Chemistry, 05.05.2020 12:16 slhfbfjcys
A solution of potassium cyanide, KCN, is made by dissolving 3.2 g of KCN in water. When this solution reacts with excess hydrochloric acid, HCl, it produces 0.30 g of poisonous hydrogen cyanide gas, HCN.
KCN + HCl --> KCl + HCN
(a) Calculate the theoretical yield of HCN.
(b) Calculate the percent yield of HCN.
Answers: 2
Chemistry, 22.06.2019 02:50, giiffnlojd
Using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 pb+2(aq) + 2cl -(aq). if the value of ksp was determined to be only 1.2 x 10-2: too much solid has dissolved. additional precipitate is forming. the solution is unsaturated. the ions are now combining to reduce their concentrations.
Answers: 3
Chemistry, 22.06.2019 06:00, citlalli30
An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have
Answers: 2
Chemistry, 22.06.2019 10:00, paynedeforest2596
According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at
Answers: 1
A solution of potassium cyanide, KCN, is made by dissolving 3.2 g of KCN in water. When this solutio...
English, 07.10.2019 05:30
Business, 07.10.2019 05:30
Biology, 07.10.2019 05:30
English, 07.10.2019 05:30