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NaOH solution- You will prepare NaOH solution by diluting 3mL of 50% by mass NaOH, p=1.53 g/mL, to 500 mL. Note, 50% by mass means (50 g NaOH/100g solution). You will standardize the NaOH solution by titrating a weighed sample of potassium acid phtalate, KHC8H4O4 (MM=204.32g/mol). Calculate the mass that will require 20mL of base of the above calculated concentration.
Word equations and balanced chemical equations for the burning of carbon and burning of sulphur
when heated to a high temperature cyclobutane c4h8 decomposes to ethylene.c4h8g 2 c2h4gthe activation energy ea for
Moneybags was found dead on the floor of his study. Investigators found an open bottle of scotch on his desk, and a broken glass on the floor near his body
Which is the excess reactant in the given reaction Na 2 S + CuSO 4 Na 2 SO 4 + CuS it is given that you start this reaction wit 15.5 grams of Sodium sulfide and 12.1 grams of copper sulphate?
calcium hydride cah2 reacts with water to form hydrogen gas.cah2s 2 h2ol caoh2aq 2 h2gthis reaction is sometimes used
How many moles of HCl are required to react with 0.610 g of Al(OH)3 in the above unbalanced reaction? Use at least as many significant figures in your molar masses as in the data given.
A possible side product of the aldol reaction of cinnamaldehyde and acetone is the self-condensation of acetone. draw the structure of the side product
An aqueous KNO3 solution is made by using 84.6g of KNO3 diluted to a total solution volume of 1.43 L. Calculate the molality and mass percent of solution. Assume a density f 1.05g/mL or the solution.
4HCl(aq)+1MnO2(s)->1MnCl2(aq)+2H2O(g)+1Cl2(g) When 1.22 mole of HCl reacts with excess MnO2, how many moles of Cl2 form. and How many grams of Cl2 form
The Ksp of BaSO4 is is 1.1 x 10^-10 at 25 degrees C. What mass of BaSO4 (molar mass = 233.4 g/mol) will dissolve in 1.0 L of water at 25 degrees C
How many grams of the element nickel are contained in 10.0 g of a 10.2 wt % solution of nickel sulfate hexahydrate, NiSO4 . 6H2O (FM 262.85)?
Use the Henderson-Hasselbalch equation to calculate the pH of a buffer that is 0.158 M HClO and 0.099 M NaClO. The Kb for HClO is 3.45 x 10^-7.
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