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Potassium hydrogen phthalate (KHC8H4O4, molar mass 204.2 g/mol) is frequently used to standardize solutions of NaOH. The reaction is:
NaOH(aq) + KHC8H4O4(aq) --> H2O(l) + NaKC8H4O4(aq)
Calculate the mass of potassium hydrogen phthalate needed to react with 30 mL of 0.10 M NaOH.
If the of a 1.00-. rainfall over 1500 miles^2 is 3.60, how many kilograms of sulfuric acid, , are present, assuming that it is the only acid contributing to the? For sulfuric acid, is very large and is 0.012.
consider a reaction in which ferric oxide is converted to iron and gaseous oxygen. if this reaction is only 83
A particular reaction has a ?Ho value of -118 kJ and ?So of 47 J/mol K at 298 K. Calculate ?Go at 349 K in kJ, assuming that ?Ho and ?So hardly change with temperature
The two methods used to analyze the coordination compound of nickel (II) Ion, Ammonia, and Chloride ion were a. Percipitation and titration b. Evaporation and condensation
The Fe^2+/Fe half-cell reduction potential is -0.41 V, and the H+/H2 half-cell reduction potential is 0.00 V. What is the value of Eo for this cell, and which electrode is the anode
Methyl benzoate - Acid and Base Organic Chemistry, In preparation of methyl benzoate, what is the purpose of 1. washing the organic layer with sodium bicarbonate solution?
If the pH of a 1.00 in. rainfall over 1800 miles2 is 3.20, how many kilograms of sulfuric acid, H2SO4, are present, assuming that it is the only acid contributing to the pH
A solution is prepared by adding 50.0 ml of 0.050M HBr to 150.0 ml of 0.10M HI. Calculate the concentration of all species in this solution. HBr and HI are both considered strong acids.
A mixture of table salt and ice is used to chill the contents of hand-operated ice-cream makers. What is the melting point of mixture of 2.00 lb of NaCl and 12.00 lbs of ice if exactly half of the ice melts?
the hydrated radius of hemoglobin is found to be 3.55 nm. How many water molecules hydrate a hemoglobin molecule?
for 2 so2g o2g reverse reaction arrow 2 so3g kp 3.0 104 at 700 k. in a 2.00-l vessel the equilibrium mixture contains
A 0.20M of acetic acid, CH3COOH, at a temperature of 25degC has pH of 2.73. Calculate the hydrogen ion concentration
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