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A solution was prepared by mixing 10.00ml of unknown(X) with 5.00ml of standard(S) containing 8.24 ug S/ml and diluting the mixture to 50.0ml. the measured signal quotient was (signal due to X/signal due to S) =1.690/1.000.
Calculate the equilibrium concentration of H3O+ in the solution if the initial concentration of C6H5COOH is 6.1×10?2 M.
A thermometer containing 9.5 of mercury has broken. If mercury has a density of 13.6 , what volume spilled
Assume you have a mixture of gases that contains 3.50 L of helium, some argon at 1.03 atm, and some neon at 27 degrees C. For which gas(es)
a sample of sodium reacts completely with 0.142kg of chlorine forming 234g of sodium chloride. what mass of sodium
a student prepared a stock solution by dissolving 10.0g of koh in water to make 150. ml of solution. she then took 15.0
If you have a vapor compression cycle using HCF-134a refrigerant instead, what is the minimum pressure would you have to achieve in the compressor in order to reject heat into the surroundings assuming that you need the refrigerant to be a minimum
question you fill a 500 ml container with 100 ml of water and shut the lid. the water is at 25 degrees celcius. how
If the total pressure is 1.8 atm, what is the partial pressure of ethanol?
the ratio of the no of molecules in the excited state at the temperature of 213 K to the number of ground state molecules and the percent of the excited molecules at 213 K.?
Using the following monomer, draw the mechanism for the formation of the polymer, stopping after attaching three units together. Benzene-ch(double bond)ch-ch2-cyclopentane
3.00×10-3 mol of HBr are dissolved in water to make 18.0 L of solution. What is the concentration of hydroxide ions, [OH^-], in this solution?
Calculate the density and radius of the ball bearing (volume of a sphere of radius r is 4/3pi r^3).
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