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The Ka of a monoprotic weak acid is 5.48 × 10-3. What is the percent ionization of a 0.142 M solution of this acid?
What is the specific heat of a substance that it takes 192 Joules to raise the temperature of 45 grams by 6 degrees Celsius
The rate constant for the reaction at 45oC is 0.130L*mol-1*s-1. Explain how long does it take an initial concentration of 0.060 mol/L to reduce to one-quarter the initial concentration
find the gram formula mass of each compound.a. li2sb. fecl3c.
A 1.241-g sample of a solid, weak, monoprotic acid is used to make 100.0 mL of solution. 50.0 mL of this solution was titrated with 0.08126-M NaOH. The pH after the addition of 30.29 mL of base was 4.86, and the equivalence point was reached with ..
The following reaction is example of elimination and substitution reaction. Categorized this reaction as an E1, E2, or SN1, SN2 CH3CH2O¯ + CH3CH2Br ? CH3CH2OCH2CH3 + Br¯ Please, explain.
along with the weight of sodium acetate (4.01g) and the volume of acetic acid used (10mL) to prepare the buffer, the expected pH of it was 5.43. What is the expected pH of buffer plus added HCl?
Strontium sulfate is also an insoluble sulfate. Knowing barium sulfate is insoluble, why is it not surprising that strontium sulfate is also insoluble
If climate change continues, snow fields and glaciers in Canada's north will shrink, which has two main consequences. It exposes the arctic soil and it thaws decaying organic matter that had been beneath the ice and snow.
a gaseous mixture of o2 and kr has a density of 1.140 gl at 415 torr and 300. k. what is the mole percent o2 in the
Describe how would your result be affected if you mistook a negative Starch-iodide test and stopped adding the NaOCl solution too early?
Question- Which should be larger the potassium ion k + or the potassium atom K. Which should be larger the potassium ion K+ or the argon atom ar. Explain
What us the partial pressure (in atm) of carbon dioxide and the partial pressure (in atm) of water vapor? (For the purpose of this question, assume ideal gas behavior.)
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