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If the compound chloral hydrate known in detective stories as knockout drops is composed of 14.52% C, 1.83% H, 64.30% Cl, and 19.35% O by mass and has a molar mass of 165.4 g/mol. Explain what is the empirical formula of the substance?
if 1.205 g of KHP required 25.25 mL of NaOH solution for complete neutralization, what is the molarity of the NaOH sodium hydroxide solution?
What is the formula of the compound formed between the ions Fe3+ and NO3-. What ions make up the ionic compound CoSO4
find the volume of oxygen.1.calcium carbonate forms limestone one of the most common rocks on earth. it also forms
Explain how FeBr3 assists the reaction. Br2 dissolves in a number of solvents, but we preferentially use glacial acetic acid.
How many moles of MnO4 - ions are required. How many moles of Fe2+ are there in the sample. How many grams of iron are there in the sample. What is the mass percent of Fe in the sample
895ml of chlorine trifloride gas at 694 mmHg and 36 degree c. What is the mass of the sample
is it possible to determine the amount of impurity formed in aspirin with excess sodium salt. aspirin had a melting point range of 113-135 degrees celsius. that is all the information given. any other info can be used.
Calculate the nonstandard emf for each of the following reactions if the concentration of each of the ions in these reactions is 0.0004 molar and everything else is standard (use 298 K for the temperature, R = 8.314 J/mol-K, and F = 96,485 C/mol)
A 1.000-mL aliquot of a solution containing Cu2 and Ni2 is treated with 25.00 mL of a 0.03632 M EDTA solution. The solution is then back titrated with 0.02254 M Zn2 solution at a pH of 5. A volume of 18.39 mL of the Zn2 solutio..
Suppose that, in an alternate universe, the possible values of ml were the integer values including 0 ranging from -l -1 to l + 1 (instead of simply -l to +l). how many orbitals would exist in each sublevel
The two amino acids, glycine and alanine, can form two different dipeptides. Draw one of the possible dipeptides as it would appear at a pH of 7. Be sure to include any necessary nonzero formal charges in your drawing
An aqueous solution is prepared from 40.0 g of lithium fluoride "LiF" (a nonvolatile ionizable electrolyte) in 200.0 g of water. Given Kb water = 0.52oC/m and the van't Hoff factor of this lithium fluoride solution = 1.20, the boiling point elevat..
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