percent ionization

What is the percent ionization of the acid in a 0.0003M solution of nitrous acid (HNO2) (ka 4.0e-4)? 4.0 x 10-4 please give a step by step procedure of how you came to the answer.

Calculating the pH of a solution.

25.00ml of a 0.200M nitric acid solution is added to 50.00ml of a 0.100 M sodium hydroxide solution. What is the pH of the solution?

How to calculate atoms of sulfur to moles of Boron Sulfide

Assume you have 5.93 X 10(24) atoms of sulfur to begin with. How many moles of boron sulfide did you have?

Calculating the volume required for neutralization in a titration.

How do you calculate the volume of a base in a titration?

Chemistry Problem

When 8.900 g of a mixture of an alkali metal chloride (XCl) and an alkaline earth chloride (YCl2) was dissolved in 150.0g of water, the freezing point of the resultant solution was -4.42C. Addition of an excess of aqueous AGNO3 to the solution yielded a white precipitate with a mass of 27.575 g (This white precipitate would be ...continues

Reasons for iron discolouration.

A shipment of iron-fortified powdered baby formula has been rejected by the buyers in china because the power is off-color. The color of the powder should be cream-colored, but this shipment is reddish-brown to gray. Investigation by the manufacturer shows that the manufacturing process is simply "bucket chemistry". This mean ...continues

Understanding a scientific method.

Explain what is meant by a Scientific Method.

Calculating the normality of a 1.50 M solution of H3PO4.

What is the normality of a 1.50 M solution of H3PO4?

Balancing ionic chemical equations.

When the following ionic equation in an acid solution is balanced: Fe2+(aq) Cr2O7 2-(aq) ---> Fe3+(aq) + Cr3+(aq) what is the sum of the smallest whole-number (integer) coefficients of the reactants and products?

Calculating the molarity of a solution.

A 53% (by mass) solution of sulfuric acid (H2SO4) has a density of 1.41 g mL-1. What is the molarity of the solution?