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?
Methyl alcohol (CH3OH) is made by reacting carbon monoxide with H2. Starting with 2.5 g of H2 and 30 L of CO, what mass of methyl alcohol could be produced at STP? which is the limiting reactant?
Draw three simple molecules that illustrate the geometry of each states.Define" reduction" with reference to organic reactions.
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.
Suppose that 26 g of each of the following substances is initially at 29.0degrees C. What is the final temperature of each of the following substances upon absorbing 2.35 kJ of heat?
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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