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A titration is performed on 1.3245g of a sample of a diprotic acid that is dissolved in 50 ml of water. if 44.10 ml of .6124 M NaOH is required to reach the end-point, what is the molecular weight of the diprotic acid?
A solid sample weighing 0.2736 g of ethylammonium chloride appreciably contaminated with ammonium chloride (but no other contaminants) required 34.20 mL of 0.08177 M NaOH for complete titration. Find the weight percent of each component in the mix..
Write the reaction with water that is the ionization of propionic acid to propionate, draw this out in two ways. First with expanded structures, of course, all atoms and all bonds.
how many liters of H2 would be formed at 528 mm Hg and 12 degrees celcius if 28.0g of zinc was allowed to react
How many grams of nickel metal are plated out when a constant current of 15.0 A is passed through aqueous NiCl2 for 80.0 minutes?
How many grams of Ca metal are produced by the electrolysis of molten CaBr2 using a current of 30.0 amp for 10.0 hours
Sylvanite is a mineral that contains 28.0 gold by mass. How much sylvanite would you need to dig up to obtain 50.0 of gold
What is the pH of a solution made by mixing 30.00 mL of 0.10 M acetic acid with 30.00 mL of 0.10 M KOH? Assume that the volumes of the solutions are additive. Ka = 1.8 × 10-5 for CH3CO2H.
The balloon ascends to an altitude of 20 km, where the pressure is 76.0mmHg and the temperature is -50 degrees C. What is the new volume, V2, of the balloon in liters, assuming it doesn't break or leak
Calcium and Magnesium carbonates occur together in the mineral dolomite. Suppose you heat a sample of the mineral to obtain the oxides,CaO and MgO, and then treat the oxide sample with HCl.
Why will the extraction of benzoic acid by NaHCO3 generate a greater pressure of gas in the separatory funnel than the extraction of t-butylphenol by NaOH
the titration of acetic acid with sodium hydroxide can be expressed as the combination of two reactions: the acetic acid reacting with water, and the sodium hydroxide reacting with hydronium ion.
the michaelson-menten mechanism for enzyme catalyzed reactionses lt-gt rate k1 amp lt- rate k2gt es complex --k3-gt
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