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What is the pH of a buffer solution if 100.0 mL of the solution is 0.15 M with respect to acetic acid and contains 1.56 g of sodium acetate, CH3COONa?
Questions on H-NMR spectrum of isopentyl acetate - What would the effect on yield be of allowing the crushed Dry Ice to be exposed to the atmosphere for long periods of time before being used?
What is the de Broglie wavelength of a 145 g baseball traveling at 30.0 m/s (67.1mph)? Is the wavelength much larger or smaller than the diameter of an atom .
How will you prepare the following solutions from 6.0 M solutions of acetic acid and ammonia. Give exact details. Assume that a 10-mL graduated cylinder.
Suppose that 23.2 mL of 0.410 M sodium chloride is mixed to 23.2 mL of 0.339 M silver nitrate. Determine how many moles of silver chloride would precipitate?
When relatively small amounts of magnesium burns, the fires are extinguished using commercially available dry powder. Why might this fire rekindle days later as someone tries to remove the residue with water?
For HCB, log Kow = 6.6. What would be the predicted concentration (ppm) of HCB due to bio-concentration in the fat of fish that swim in waters containing 0.000010 ppm of the chemical?
Determine how much dolomitic lime(is an anhydrous carbonate mineral composed of calcium magnesium carbonate CaMg(CO 3 ) 2 ) is required to apply to raise the pH to 7.0?
What is the composition in mole fractions of a solution of benzene and toluene that has a vapor pressure of 35 torr at 20 °C? Assume the mixture forms an ideal solution.
We add excess Na2CrO4 solution to 17.0 mL of a solution of silver nitrate (AgNO3) to form insoluble solid Ag2CrO4. When it has been dried and weighed, the mass of Ag2CrO4 is found to be 0.310 grams.
Determine the percent yield if a student decomposes H 2 O to Form hydrogen (H) and oxygen(O). If the student starts with 34.7 grams of H2O and collects 20.0 grams of oxygen,
What is the concentration of g salt per 100 g water of a saturated solution in which 3.82 g of salt are dissolved in 9.54 g of water?
Water (2290g ) is heated until it just begins to boil. If the water absorbs 4.99×10^5J of heat in the process, what was the initial temperature of the water.
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