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Suppose you take 2.45 g of glucose and dissolve it using 0.200 kg of water. What would be the mass percent of glucose in this solution?
A.123%
B.1.23%
C.1.21%
D.2.42%
What is the molality of sucrose in this mixture. What is the mole fraction of sucrose in this mixture
Calculate the heat of solution (i.e., delta H of solution)of ammonium nitrate in kJ/mol. Assume that the energy exchange involved only the solution and that the specific heat of the solution is 4.18 J/g. deg. C. Show work or include as much explan..
In the occurrence of aqueous ammonia, cobalt(III) forms the complex ion Co(NH3)63+. Find out the molar concentration of free cobalt(III) ion in solution when .220 mole Co(NH3)63+ is dissolved in a liter of 2.50M aqueous ammonia.
While 41.67mL of the calcium hydroxide solution is added to a 250.00mL volumetric flask, as well as water is added to the mark, explain what is the final calcium ion concentration (morality)
If 0.500 mol of CaCl2 is mixed with 0.200 mol Na3PO4, the maximum amount in moles of Ca3(PO4)2 that can be formed is:
the Ideal Gas Law to calculate the pressure of the vapor at 88 °C; at 66 °C. b) Will condensation occur at 88 °C; 66 °C? Explain. c) On the basis of your answers in a) and b), predict the pressure exerted by the water vapor in the flask at 88 °C; ..
How many milliliters of 0.220M Na2S2O3 solution are needed for complete reaction with 2.401g of I2 according to the equation below. I2(aq)+2S2O3^2-(aq)------>S4O6^-2(aq)+2I-(aq)
An aqueous solution of etanol, C2H5OH is 19% ethanol by mass and has density of 0.9700gml. Calculate the molality, molarity of the ethanol solution.
The explosive nitroglycerin decomposes rapidly upon ignition or sudden impact according to the following balanced equation: 4C3H5N3O9 (l) --> 12 CO2 (g) + 10H2O (g) + 6N2 (g) + O2 (g)
Problem- When one mole of C6H6 is burned, 3.27 MJ of heat is produced. When the heat from burning 8.59 g of C6H6 is added to 5.69 kg of water at 21.0°C, what is the final temperature of the water
Ibuprofen, a headache remedy, contains 75.69% C, 8.80% H, and 15.51% O by mass, and has a molar mass of 206 g/mol?
identify the oxidizing and reducing agents in the following reactionsn4hno3
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