Cocaine (C17H21O4N; Figure 2) is a natural substance found in leaves of the coca plant, which have been used for centuries as a local anaesthetic and stimulant. Illegal cocaine arrives in the USA either as the pure compound or as the hydrochloride salt (C17H21O4NHCl). At 25oC, the salt is very soluble in water (2.50 kg/L), but pure cocaine is much less so (1.70 g/L).
When a 25 mL aqueous solution that contains 62.50 g of the salt is treated with NaOH, the salt is converted to pure cocaine. How much water (in litres) is needed additionally to dissolve the formed pure cocaine? Round your final answer off to two decimal points.
which of the following compound represent the most oxidized and most reduced class of organic and explain why?
You have 10 mL of an 8% aqueous solution of H2Cl6Pt. (a) Calculate the platinum in this solution as well as (b) the molar concentration of the platinum in this solution. The density of the solution is 1.05 kg.L-1.
What volume of oxygen reacts completely with 4.0 L of butane, assuming that the temperature and pressure are constant?
You have 10 mL of an 8% aqueous solution of H2Cl6Pt. (a) Calculate the platinum in this solution as well as (b) the molar concentration of the platinum in this solution. The density of the solution is 1.05 kg.L-1.
What is the balanced equation for incomplete combustion of acetylene with all 4 products?
balance [thioredoxin]-dithiol and cumene hydroperoxide yield 2-phenylpropan-2-ol, [thioredoxin]-disulfide, and water
Calculate the normal tea and molarity of the following
1/10 mol of H2SO4 in 500 ml of solution
Write down the appropriate half-cell reactions and overall equation for the dissolution of lead sulphate (PbSO4) at 298 K. From the standard reduction potentials deduce the solubility for lead sulphate (PbSO4) at 298 K.
the alcohol that gives turbid mixture when mixed with lucas reagent after warming at 60c after 5 minutes in:
a) 2-methylpropanol
b) 2,2-dimethylpropanol
c) Propanol
D) ethylene glycol