How can describe the ph of a buffer solution
How can describe the pH of a buffer solution that contains 0.17 M sodium benzoate (C6H5COONa) and the 0.87 M benzoic acid (C6H5COOH)? Where the Ka=6.5 x10-5 for benzoic acid.
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Is this a radix reaction? Explain what mass of rust can be removed by the 500 mL of 0.15 M solution of oxalic acid? Rust stains can be removed by washing a surface with a dilute solution of oxalic acid (H2 C2 O4). The reaction is:
Create the 90 % confidence interval with margin of error for proportion of all adults who are smokers? What must be minimum sample size to keep Margin of error under 1%?
Write down the equation for the formation of the precipitate produced in the test tube which is having the calcium hydroxide in the synthesis of ethanol reaction.
If 100 grams of calcium hydroxide (mild base) are added to a beaker which is having the 50.0 grams of hydrochloric acid, will all of the calcium hydroxide be neutralized? If not, discuss how much will be neutralized?
Describe the pH of a buffer solution prepared by dissolving the12.51g of cyanic acid (HCNO) and 65.60g of sodium cyanate (NaCNO) in the enough water to make 1.00 L of solution [Ka (HCNO)=2.0 x10-4]
An outdoor circular fish pond consists of a diameter of 4 m and a uniform full depth of 1.50 m. A fish halfway down in the pond and 0.55 m from the near side can just view the full height of a 1.80 m tall person. Determine how far away from the ed
Provide the structure of the reactants and the major organic product that results from the reaction of ethylpropanoate and ethyl benzoate in the presence of sodium ethnocide and is then treated with cold dilute acid.
A cylindrical specimen of aluminum having a diameter of 19 mm and length of 200 mm is deformed elastically by exerting a tensile force of around 8.0x10^3 N parallel to the cylinder axis. Find out the change in diameter of the specimen (in mm).
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