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Given the following information: Mass of ascobic acid present in one tablet= 500mg. preparation of vitamin solution: Vitamin Tablet= 1.5g; weigh boat+ Vitamin tabet clushed= 5.2g; weigh boat after transfer of crushed tablet= 3.8g; Calculated mass of crashed tablet =1.4g preparation of patassium iodate solution: weigh boat + KIO3(s)=1.01g; weigh boat after transfer of KIO3(s)=3.9g; Calculated mass of KIO3(s)= 2.9g Titration volumes of KIO3: Volume of KIO3 used= tria1=20.88ml trial 2= 20.25ml a)calculate the mass of ascobic cid in crushed tablet b)Calculate the mass of ascobic acid in the whole tablet( use mass of whole tablet) c) Calculate the %error in the mass of ascobic acid in one whole tablet
The mixture is ignited with a spark and it reacts to form H2O (l)liquid water. determine the temperature of water?
The equilibrium constant, Kc, for the following reaction is 1.29E-2 at 600 K: COCl2(g) CO(g) + Cl2(g)
4HCl + MnO2 = MnCl2 + 2H2O + Cl2 When 1.22 mol of HCl reacts with excess MnO2, how many moles of Cl2 form?
At 0°C, the volume coefficient of expansion of mercury is α = 18×10-5 K-1, and its coefficient of compressibility is β = 5.32×10-6 bar-1.
A 295mLflask contains pure helium at a pressure of 742torr . A second flask with a volume of 465mL contains pure argon at a pressure of 717torr .
Determine the boiling point of a 1.5m aqueous solution of fructose.
What mass of F2 is needed to produce 167 g of PF3 if the reaction has a 77.0% yield?
Designing and preparing aqueous buffer solution with the pH indicated - Give complete details of the design and preparation of an aqueous buffer solution (volume 100ml) with the pH indicated.
Quinine (C20H24N2O2) is the most important alkaloid derived from cinchona bark. It is used as an antimalarial drug.
compute the water volume that is released upon its total metabolism to carbon dioxide and H 2 O, taking into account any oxidative phosphorylation that might occur.
If it takes 526 J of energy to warm 7.40 grams of water by 17 degrees Celsius, how much energy would be needed to warm 7.40 grams of water by 55 degrees Celsius?
Predict whether the entropy change in the system is positive, negative or close to zero for each of the following processes
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