Determine the total amount of solute that will be extracted
Determine the total amount of solute that will be extracted by the ether, K=1.0? An aqueous solution which is having 5.0 g of solute in the100 ml is extracted w/three 25 ml portion of diethyl ether.
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Determine the numbers of grams of iron could be produce from the 220. Grams of Fe3O4, assume that AL is present in excess?
A market research firm interviews travelers at LaGuardia airport to try to determine whether men or women would spend the most if the airport commission put in a new, upscale gift shop in the terminal. What statistical approach would one take?
Find out the equivalent mass of the unknown solid acid in gram per mole of H+ if an acid sample of mass 0.730g needed 32.50 mL of 0.09486 M NaOH to neutralize where 1.05 mL of 0.1015 M HCl was used to back titrate.
A transformer is to be employed to give power for a computer disk drive which requires 5.4 V (rms) rather than the 120 V (rms) from the wall outlet. The number of turns in the primary is around 395 and it delivers 500 mA (the secondary current) at
The company is submitting bids for 2 different projects, project A and project B. Find probability of winning at least one of the bids?
Determine the final temperature inside the calorimeter (c of copper =0.387 J/g·K)? One piece of copper jewelry at the 105°C has exactly twice the mass of another piece, which is at the 45°C. Both pieces are placed inside a calo
Glycine is an amino acid made up of hydrogen, carbon, oxygen, and the nitrogen atoms. Combustion of a .2036 gram sample gives the 1.00 atm and.122 g of water and 132.9mL of CO2 at 25oC.
What is the concentration of H2S in mg/L when the hydrogen sulfide, which is extremely toxic to humans, can be detected at a concentration of 2.00 ppb and which is having the density of air is1.2929 g/L.
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