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A 100.0 mL sample of acetic acid solution of unknown molarity is titrated with 0.15 M NaOH solution. the titration requires 43.25 mL of the base. determine the molarity of the acid, CH3COOH.
What masses of sodium chloride,magnesium chloride, sodium sulfate,calcium sulfate, calcium chloride, potassium chloride, and sodium bicarbonate are needed to produce 1 L of arificial seawater
What mass of PbSO4 forms when 1.25L of 0.0500M Pb(NO3)2 and 2.00L of 0.0250M NaSO4 are mixed
if a raindrop weighs 60. mg on average and 5.1 105 raindrops fall on a lawn every minute what mass in kg of rain falls
If a protein sample has a molar mass of approximately 14,000 u, what is the expected freezing point depression when 1.00g is dissolved in 50.0mL of distilled water
The compound known as butylated hydoxytoluene, abbreviated as BHT, contains carbon, hydrogen, and oxygen. A 1.376 g sample of BHT was combusted in an oxygen rich environment to produce
After adding the two portions of water into your calorimeter setup and following the procedure outlined in the experiment, you determine the temperature of the mixed portions of water to be 45 oC. What is the heat capacity of the calorimeter. Assu..
Give explanation why it is not practical to evaluate the solubility of the two salts AX and BY2, by simply comparing the solubility product constants?
How many grams of K2SO4 are there in 243 grams of an aqueous solution that is 28.7 % by weight K2SO4.
what happens to Fe+SCN=FeSCN when water is added. which way is the equilibrium shift and why. why does the color intensity increase
Predict which of the following liquids has greater surface tension: ethanol (C2H5OH) or dimethyl ether (CH3OCH3).
Why does surface complex formation with a weak acid lead to a relative maximum in the extent of surface complex formation (adsorption) at a pH which is usually near the value of -log acidity constant of the weak acid (pKHA)
what volume does .103 mol of N2 gas occupy at a temperature of 27 degrees Celsius and a pressure of 784 mm Hg?
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