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a) Suppose you have 260.0 mL of a 0.320 M NaC2H3O2 solution. You add 260.0 mL of a 0.320 M HCl solution to it. What is the new pH?
b) If you added an additiional 40.0 mL of a 3.20 M HCl solution to the aboe solution, what is the new pH?
what is the remaining Ag+ ion concentration and is precipitation complete? The solubility product constant of AgBr is 5.0 × 10-13.
a compound contains c h and s. elemental analysis performed on 172.5mg sample produced 299.0mg co2 and 163.2mg h2o.
The iron (55.847 g/mol) in a 700.0 mL sample of a natural water was determined by precipitation of the cation as hydrated Fe2O3. The precipitate was filtered
What is the volume occupied by 0.118 mol of helium gas at a pressure of .97 atm and a temperature of 305k?
A 3.0 L bulb containing He at 129 mmHg is connected by a valve to a 2.0L bulb containing Ar at 110 mmHg. Calculate the partial pressure of each gas and total pressure after the valve between the flask is opened.
Calculate the hydrogen ion concentration in a solution containing 7.89 g of strontium hydroxide in 600 mL of solution.
Do all ionic compounds dissolve in water, Do all covalent compounds dissolve in water? answer should be 50 to 100 words.
Provide structures of the two allylic free radical intermediates in this reaction. b. Provide structures of the two substitution products in this reaction. c. Identify and circle the major product in (b) above.
What is formed when benzene is reacted with Br2 then FeBr3? Then that molecule is reacted with Mg then CO2 then H
Limestone (CaCO3) is used to remove acidic pollutants from smokestack flue gases. It is heated to form lime (CaO), which reacts with sulfur dioxide to form calcium sulfite
Firefly luciferase is the enzyme that allows fireflies to illuminate their abdomens. Because this light generation is an ATP-requiring reaction, firefly luciferase can be used to test for the presence of ATP
A 50.00-mL sample of 0.100 M KOH is titrated with 0.152 M HNO3. Calculate the pH of the solution after 52.00 mL of HNO3 is added.
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