Calculate the molar mass of the carbohydrate
A solution of 4.93 g of a carbohydrate in 100.0 g of water has a density of 1.017 g/mL and an osmotic pressure of 3.36 atm at 20.0 degrees C. Calculate the molar mass of the carbohydrate?
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The molecular weight of citric acid is 0.030M. How many grams of citric acid (molecular weight = 192) are present in a 120ml serving assuming its density is the same as that of water?
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Which reactant is the limiting reagent and which is the excess reagent?
Use Planck"s constant (h = 6.6260755 x 10-34 J-s) to determine the Energy or frequency for electromagnetic waves: E = h. Describe the photoelectric effect.
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What is the conjugate base of hydrazoic acid? For any general weak acid, HA, HA(aq) + H2O(l) H3O+(aq)+ A-(aq) and Ka = a) What is the conjugate base of HA?
How to distinguish the difference between oxidizing agent and reducing agent?
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