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While 4.77g of a nonelectrolyte solute is dissolved in water to make 785mL of solution at 23 C the solution exerts an osmotic pressure of 809 torr.
A) Explain what is the molar concentration of the solution?
B) Explain how many moles of solute are in the solution?
C) Define what is the molar mass of the solute?
Specify the number of protons, neutrons, and electrons in the neutral atom iron-56. Enter your answers as integers separated by commas. The ion has _____ protons and _____ electrons
The following molecular equation represents the reaction that occurs when aqueous solutions of lead(II) nitrate and barium iodide are combined. Pb(NO3)2(aq) + BaI2(aq) PbI2(s) + Ba(NO3)2(aq)
how many moles of co2 when 15.5 ml of a 3.00 m hci reacts with excess caco3?the calcium carbonate in limestone reacts
0.101 M HNO2 solution contains 0.0067 M H+ ions at 25 oC. What is the percent ionization of this acid under these conditions
with this balanced equation of copper carbonate calculate the concentration of copper in solution
Explain two aqueous solutions of AgNO3 and NaCl are mixed. Which of the subsequent lists best represents the resulting mixture
A 363 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 636 mmHg. Calculate the moles of Ar present.
The pKa of asprin acetyl salicylic acid is about 3 while the pH of stomach acid is about 1. Circle the approximate proportion of ionized deprotonated and charged for acid) to unionized protonated and uncharged for acid aspirin which would occur in..
How many pounds of coal (of heating value of 10,000 BTUs per pound) would be needed to provide the 100 quadrillion BTUs if the efficiency of conversion to electricity was 35%? What fraction of the US coal reserves (estimated at 250 billion short t..
Which of the following describes what happens to the solubility of a slightly soluble ionic compound when a common ion is added to the solution
Which starting material is the limiting reagent in this procedure? Which reagent is used in excess? How great is the molar excess (how many times greater)?
What mass of this substance must evaporate in order to freeze 230 of water initially at 24? (The heat of fusion of water is 334 the specific heat of water is 4.18 .)
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