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Question- A white solid dissolves in water to form a neutral solution. No precipitate forms when this solution is treated with a solution of NH4Cl/NH3 buffer, nor when (NH4)2S is added. When the solution is acidified with HC2H3O2 and K2CrO4 is added, a yellow precipitate forms. This precipitate dissolves upon addition of concentrated HCl. Acidification of a solution of the solid with HNO3 followed by addition of AgNO3 causes formation of a white precipitate. What is the identity of the original solid?
How do I yet start setting this up? Thank you
Question- In the nitration of methyl benzoate, yields of product were moderate at best. Part 1) Which undesired products may have formed which would have lowered the yield
Why Do I Require More CaCO3 to Raise pH than Predicted? If you can remember back to a discussion and inquiry we exchanged last week concerning the use of sodium carbonate vs. calcium carbonate
Fluoride, in the form of sodium silicofluoride (Na2SiF6), is commonly added to municipal drinking water to prevent tooth decay. It is generally added at a level of 1.0 mg/L,
Enzymes are proteins possessing catalytic activity. Proteases are a class of enzymes that catalyze the hydrolysis (i.e., cleavage by the addition of water) of the peptide bonds linking amino acids in proteins according to the following reaction:
A small spherical virus has a molecular weight of 1.25x10^6 g/mol and a diameter of 100 Angstrom. Calculate the intrinsic viscosity in units of cm3/g of an aqueous solution of this virus.
When 0.500 mol of N2O4 gas is placed in a 2.50 L reaction vessel and heated to a set temperature, 65.3% of the N2O4 decomposes. Calculate Kc for the decomposition rxn.
A solution of household bleach contains 5.25% sodium hypochlorite, NaOCl, by mass. Assuming that the density of bleach is the same as water, calculate the volume of household bleach that should be diluted with water
1 calculate the masses of cano32 x4h2os and kio3s required tomake 10 g of caio32s. calculate the amount of cano32
Which group includes only exothermic processes? Cu(s) + H2SO4(aq) 11. In the reaction shown below, which substances are dissolved in water?
What is the purpose of washing your cyclohexene with saturated sodium bicarbonate. Why do you think it is more practical to wash with a solution instead of adding solid sodium bicarbonate to your cyclohexene
Write the structure of the conjugate acid of this base while consider the base monosodium phosphate, Na (HO)2P( O)O also explain why an aqueous solution of monosodium phosphate would be ineffective for extracting benzoic acid? pKa of this conjugat..
Consider a chromatogram containing a single analyte with retention time of 4 minutes. The mobile phase elution time is 0.2 minutes. What is the capacity factor (k') for the analyte in question?
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