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Three solutions are mixed together to form a single solution. On e contains 0.2 mol Pb(c2H3O2)2, the second contains 0.1 mol Na2S, and the third contains 0.1 mol CaCl2.
a) Write the next ionic equations for the precipitation reaction or reactions that occur.
b) What are the spectator ions in the solution?
What is the pH of a solution prepared by mixing 25.00 mL of 0.10 M methylamine, CH3NH2, with 25.00 mL of 0.10 M methylammonium chloride, CH3NH3Cl.
A 0.5485 g solid mixture have only ferrous chloride hexahydrate and ferrous ammonium sulfate hexahydrate. dissolved in 1M sulphuric acid get oxidized to Fe3+ with hydrogen peroxide, and get precipitated with cupferron.
What is the mass of sodium ion circulating in the blood if the concentration of sodium ion in this individual is 0.135M.The average adult has a total blood volume of 5 liter.
A sample of gas is collected over water at a temperature of 35.0?C when the barometric pressure reading is 625 torr. What is the partial pressure of the dry gas, given PH2O = 42.2 torr?
What is the pH of a solution that has a formic acid (HCHO2) concentration of 0.39 and a potassium formate (KCHO2) concentration of 0.12? The Ka for formic acid is 1.7 x 10-4.
Now you find yourself on an airplane headed for Israel to visit the Dead Sea, which is below sea level. You have always wanted to visit there and now is your chance. What has happened to the atmospheric pressure?
the fact that the relative reactivity of C-H bonds of an alkane for free-radical chain halogenation is tertiary > secondary > primary?
Sodium methoxide reaction: Pipet 1.65 mL of a 25% (by weight) solution of sodium methoxide in methanol into a 10 mL reaction flask.
if the freezing point of a .106 m CH3COOH solution is -.288 degrees celsius, calculate the percent of the acid that has undergone ionization?
How many grams of Cl2 can be prepared from the reaction of 16 g of MnO2 and 30 g of HCl according to MnO2 + 4 HCl = MnCl2 + Cl2 + 2H2o
what is the chemical equation that describes both these reactions? Please give the chemical equations of what happens in this situation
Calculate [H+] and the pH of the following solutions
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