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A pharmaceutical company needs to prepare a batch of 8000 bottles containing 250 tablets each with 325 mg of aspirin per tablet. How many kilograms of salicylic acid are needed to produce the needed aspirin? Assume a 75% overall yield of aspirin after purification
If every tablet in the problem abouveweights 650 mg. How many kilograms of excipient (lactose/talcum powder/filler) are needed to complete the whole batch?
the density of phosphorus vapour at 310 degrees celcius and 75 mmHg is 2.64 g/L. What is the molecular formula of the phosphorous under these conditions?
Colligative Porperties : Freezing Point Depression, Salt lowers the freezing point of water. So will sugar. If one tablespoon of solid (salt or sugar) is dissolved in ¼ cup of water
Starting from the left side of the periodic table, the melting and boiling points of the elements first increase, and then decrease
What do you expect will happen to the position of this equilibrium when the total pressure of the gases in the reaction mixture is doubled by injecting some argon (Ar) while maintaining the temperature constant.
The heat energy required to melt 1.00 g of ice at 0°C is 333 J. If one ice cube has a mass of 62.0 g, and a tray contains 16 ice cubes, what quantity of energy is required to melt a tray of ice cubes to form liquid water at 0°C?
Write the structure of the organic product resulting from the reaction of basic KI/I2 reagent with 2-butanone. 5. What should be done with the waste from the chronic acid reagent? What should be done with excess reagent?
The concentration of carbon in a carbon-metal alloy is found to be 4.73x10^1 kg/m3. It is also known that the concentration of carbon in wt% in the alloy is 1.318x10^0 .
What volume of hydrogen is necessary to react with five liters of nitrogen to produce ammonia?
CaCN2 + 3 H2O -> CaCO3 + 2 NH3 . How much CaCO3 is produced if 47.5 moles NH3 are produced?
A gas expands and does P-V work on the surroundings equal to 325J. At the same time, it absorbs 127J of heat from the surroundings. Calculate the change in energy of the gas. How do I solve this?
What is the heat of formation of NaOH which molarity is 2.02? If heat of formation of NaON, which molarity is M 1.00, -469.6, is heat of formation
KCL has the same structure as NaCl, the length of the unit cell 638 pm the denstiy of KCl is 1.984 g/cm3 and its formula mass is 74.55 amu. what is avogadro's number?
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