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Can the five percent approximation be applied in determining the pH of the following solutions? -------------- Yes No 8.07×10-3 M dihydrogen citrate ion Yes No 7.51×10-5 M chlorous acid Yes No 4.38×10-2 M carbonic acid Yes No 1.44×10-2 M hydrocyanic acid
One weighs 32.78 grams of NaOH and dissolves it in water (with stirring) to the mark in a 1500 mL volumetric flask. What is the molarity of this solution
write the formula of the conjugate base for each of the following acids: a)HCO3^- b)CH3-NH3^+ c)HPO4^2- d)HNO2 e)HBrO
When 31.7mL of 0.235M Potassium hydroxide is required to completely neutralize 26.0mL of a HC 2 H 3 O 2 solution, calculate the molarity of the acetic acid solution.
Lewis Dot structure and identify molecule shape, the hybridization on the central atom, and whether the molecule is polar or non
Give the voltaic cell shorthand description for this reaction as a voltaic cell.Write anode and cathode under the correct portions of the shorthand description. Show the two half reactions and identify the correct reaction as oxidation or reductio..
how many grams of zinc must react with sulfuric acid in order to obtain 500mL of hydrogen at 20 deg c and 770 mm hg?
Determine the pH of a solution of 10-3 M sodium formate. Formate is a byproduct of microbial metabolism, and can also serve as an energy source for anaerobic bacteria
How do you calculate the percent by mass of volatile water in hydrated salt and average H20 when the mass of hydrated salt
0.10 mol of argon gas is admitted to an evacuated 50cm^3 container at 20C. The gas then undergoes an isobaric heating to a temperature of 300C.
Treatment of either C or D with periodic acid yields the same dicarbonyl compound shown. Finally, treatment of A and B with methylmagnesium bromide followed by acidic workup yields two different compounds, E and F, which are also related by their ..
How would you go about finding how many mL of 2.00 molar NaOH (Aqueous) solution are required to neutralize 1.858 g of KHC8H4O4 (it's formula weight being 204.22)? Any other example would do
A 10.20-mL sample of sulfuric acid from an automobile battery requires 35.99-mL of 2.33 M sodium hydroxide solution for complete neutralization. What is the molarity of the sulfuric acid? Sulfuric acid contains two acidic hydrogens.
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