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The recommended concentration is 1.7% W/V. What mass of TSP is needed to make 3.0 L of solution?
A formula for anti-fungal shampoo contains 2.0% W/V ketoconazole. How many litres of shampoo could be made with 42 g of ketoconazole?
calculate the heat change at 100c in each of the following problems. indicate whether heat was absorbed or released.a.
Calculate the [H3O+] concentration in 0.45 M solution of barbituric acid, HC4H3N2O3. Ka for barbituric acid is 1.0 X10 ^-5.
What is the final volume of the sample of gas, if the pressure in the container is kept constant?
the pH of a neutral solution is 7.83. What is the value of Kw at that temperature?
a) The name acetic anhydride implies that the compound will react with water to form acetic acid. Write the equation for the reaction. b) Write the equation for the reaction by which aspirin decomposes in an aqueous ethanol solution.
Problem- Calculate the molar solubility of barium fluoride in pure water. Articulate your answer utilizing three significant figures. Explain the each and every step in detail for help
What is effective nuclear charge? How does it affect the size of an element's atomic radius? (YOUR ANSWER MUST BE COMPLETE AND THOROUGH TO RECEIVE FULL CREDIT)
a reaction has a rate constant of 1.24times10-4 at 26 and 0.225 at 78.determine the activation barrier for the
If the acid dissociation constant, Ksuba, for an acid HA is 8 x 10^-4 at 25 degree C, what percent of the acid is dissociated in a 0.50 M solution of HA at 25 degree C?
bromine can be obtained from the decomposition of calcium bromide by means of electrolysis. if 10.0 g of calcium
Problem- Would the reason simple enols are less stable than the tautomeric keto form is because a c-c pi bond is weaker than the c-o pi bond, What does it mean when something tautomerizes
Would this be a better method than doing the standard curve with different measurements. why or why not?
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