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Problem- Acetic acid has a Ka of 1.8x10^-5. Find [H3O+], [OH-], pH, and pOH for a 0.780 M acetic acid solution.
The Uses of sodium phosphate include clarifying crude sugar, manufacturing paper, removing boiler scale, and washing concrete.
1) What pH of a solution containing 42.1 g of Na3PO4 per liter?
2) What is [OH-] of this solution? Ka3 for H3PO4 is 4.2x10^-13.
Require Help for above problem
A newly isolated natural product was shown to be optically active. If a solution of 2.0 g in 10 mL of ethanol in a 50 cm tube gives rotation of +2.57 degrees, what is the specific rotation of this natural product
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Barium peroxide decomposes when heated to give BaO and O2. Write the balanced equation for this reaction. How many moles of O2 is formed when 0.500 mole of BaO2 is decomposed
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Normalize the wave function
What is the pH of an 85 mL solution containing .215 M NaHCO3 and .203 M Na2CO3?
When ammonium nitrate is added to water, the temperature of H2O drops, but when sodium hydroxide is added to H2O, the temperature rises. Explain why the temperature of water can change in different ways when an ionic substance is added.
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Sulfur-38 has an atomic mass of 38.0 and a half-life of 2.87 hours. How long will it take for 99.99% of a sample of sulfur-38 to decay.
Determine the following characteristics of the titration curve for 25.0 mL of 0.400 M NH3(aq) titrated with 0.335 M HI(aq). (For NH3, Kb = 1.8x10-5.) Enter scientific notation as 1.23E4. (a) The initial pH : (b) The volume of HI(aq) required to re..
A solid laboratory unknown contains two substances, lead(II) carbonate and potassium carbonate. A 5.000 g sample of this unknown was treated with aqueous nitric acid to dissolve it, then, after further treatment to adjust the acidity, it was treat..
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