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Question- A 1.37 gram tablet is added to 25.00 ml of 0.4500 M HCl. After the fizzing stopped, back titration used 10.40 ml of 0.1212 M NaOH solution. Given that the tablet contains only calcium carbonate and an inert binder, write balanced molecular and net ionic equations for both reactions that take place. Calculate the mass and mass percent of calcium carbonate n the tablet
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What amount of solid NaOH must be added to 1.0 L of a 0.13 M H2CO3 solution to produce a solution with [H+]= 3.4×10-11 M ? There is no significant volume change as the result of the addition of the solid.
(a)how do I calculate the concentration of the lycopene solution in the spectrophotometer cell before isomerization, given that the molar absorptivity of lycopene at 471 nm is 1.86 x 10^4. (b) Calculate the mass of lycopene in 3.0mL of the solutio..
A 500 mL buffer solution containing 0.2M fomic acid and 0.25 sodium formate is mixed with 100ml of 0.05M HCl. What will be the pH of this new solution
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a kno3 solution is made using 96.4g of kno3 and diluting to a total solution volume of 1.20l. what is the the molarity
Draw the structure of the peptide in its predominant ionic form at a)pH 2; and b) pH 8 and determine its net charge at the specified pH values c) draw a titration curve of PH with respect to a dual axis with the equivalents of HCl added and the ne..
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