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The cranberry juice control is 27% juice when purchased from a local grocery store. Provide the calculations required to prepare the series of standard solutions of cranberry juice (20%, 16%, 12%, 8%, and 4% solutions) using this 27% juice.
A voltaic cell consists of a Hg/Hg2^2+ electrode(E degrees=0.85V) and a Sn/Sn^2+ electrode(E degrees=-0.14V). Calculate[Sn^2+]if [Hg2^2+]=0.36 M and Ecell=1.04V at 25 degrees C.
a toothpaste contains 0.24% by mass sodium fluoride to prevent dental cavaties. One tube contains 119g of toothpaste. How many moles of NaF are in the tube of toothpaste.
what is the freezing point and boiling point of each of the following solutions: a)65.0g of glucose,C6H12O6, anonelectrolyte, added to .112kg of water. b).320 mol of sucrose, C12H22O11, a nonelectrolyte, dissolved in 1.50 kg of water.
Which reagents would you select to synthesize 2-bromo-3-methylbutane from 2-bromo-2-methylbutane? a) (1) NaOEt in EtOH, and (2) HBr b) (1) NaOEt in EtOH, and (2) HBr in presence of ROOR
What is the pH of a solution of a strong acide like tintric acid, HNO3, which is 5.6 x 10^-4 M? [HNO3 is a strong acide, so it is completly ionized in aqueous solution
The normal range for the carbonyl group of a carboxylic acid in the IR spectrum is 1725 - 1700 cm-1. Why is the carbonyl group of benzoic acid appear at 1696 cm-1
How many grams of Fe2O3(s) are produced from 500.0 g of FeS2(s) and 400.0 g of oxygen gas?
What is the change in the boiling point of a solution made by dissolving 14.7 g of C6H12O6 into 150ml of water? The density of water is 1.00 g/ml and Kb=0.512 C/m .
Consider titrating 15.0ml of a .245M solution of hydazine, H2NNH2, with a .453M HCl solution. The Kb value for hydrazine is 1.3x10^-6. What volume of HCl needs to be added to the solution in oder to have a bffer system with the maximum capacity fo..
you want a solution that will buffer the addition of either 10 micro moles of acid or 10 micro moles of base. total buffer concentration is equal to the concentration of the acid plus the concentration of salt in the acid. which of the following b..
How many moles of ammonia will be required to produce 11.5 mol of water?
completely, showing all bonds, electrons, and charges in reactants and products. Draw a reaction arrow between the reactants and products and plus signs between each reactant and each product.
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