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If 150 ml of Al(OH)3 of unknown concentration with a methyl red indicator present is titrated with [0.535 M] HCl, the yellow solution turns red after 32.8 ml of the HCl is added. What is the molarity of the Al(OH)3 solution
Using the calibration data provided below, calculate the concentration of cocaine (mg/mL) in the original urine sample.
How would I list the following aldehydes in terms of increasing reactivity ClCH2CHO, CH3CHO, Cl3CCHO, and Cl2CHCHO?
if the height of the mercury column in the leveling bulb is 20 mm greater than that in the gas buret and the atmospheric pressure is 650 mm, what is the pressure of the gas trapped in the buret?
When ethylamine, a weak base (Kb=4.3E-4), reacts with the formic acid, a weak acid (Ka=1.8E-4), the following reaction takes place: Calculate K for this reaction.
What volume of water should be added to 600 mL of ethanol in order to have a solution that boils at 95 degrees Celsius? (For ethanol, Tb=78.4 degrees Celsius, Kb=1.22 degrees Celsius and d= 0.789 g/ml. For water d= 1.00 g/m
how is the rate of consumption of O2 related to the rate of consumption of NH3 in the reaction 4NH3 + 5O2 -->4NO +6H2O?
Use the activity series to determine if a single replacement reaction can be seen to occur. If a reaction occurs, write the net ionic equation. a) Cobalt metal in a barium iodide solution b) Tin metal in a copper bromide solution
Compute the number average molecular weight for a polypropylene for which the degree of polymerization is 15,000.
Calculate the amount of heat liberated (in kJ) from 305 g of mercury when it cools from 82.0°C to 13.0°C.
By how much is the oxidizing power of MnO4-/Mn2 couple decreased if the H concentration is deceased
Calculate the osmotic pressure at 25°C of an aqueous solution of 1.00 g/L of a protein having molar mass=2.50×104 g/mol.
Calculate the solubility of Ni(OH)2 in a) distilled water and b) at pH of 4.0. Justify your answer. I know I need to use a mass balance ans the reaction for disolution is
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