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A 31.0 sample of an unknown H3PO4 solution is tritrated with a 0.120M NaOH solution. The equivalence point is reached when 26.43 mL of NaOH solution is added. What is the concentration of the unknown H3PO4 solution? The neutralization reaction is as follows:H3PO4(aq)+3NaOH(aq)= 3H2O(l)+Na3PO4(aq)
Determine the new volume of a 1.3 L balloon if it is taken from room temperature that is twenty five degree celsius and placed into a freezer at the temperature of -11.5 degree celsius.?
cube of a silver-colored metal with a volume of 64 cm3 has a mass of 672 g. The density of pure silver is 10.5 g/cm3. Is the metal pure silver?
Sketch the log C - pH diagram for 10-4 M NaHCO3. Use your ENE/MBE to graph to find the pH
Why was cold deionized water added to the reaction mixture rather than hot water, and what is the purpose of acetic acid?
Suppose that at a particular moment during the reaction, molecular hydrogen is reacting at the rate of -0.555 M/s. (a) At what rate is ammonia being formed?
M HNO3 is mixed with 439 mL NaOH with pH=13.97. What is the pH of the resulting solution?
In a particular titration experiment a 25.0 mL sample of an unknown monoprotic acid required 30.0 mL of .200 M NaOH for the end point to be reached. What is the concentration of the acid?
Explain why Î"G can only be used to determine the spontaneity of a reaction. Be very detailed in your answer.
Determine the boiling point of a 1.5m aqueous solution of fructose.
if a 50.0 liter container holds 45 moles of a gas at a temperature of 200 C what is the pressure inside the container
A 15.8 g sample of a nonelectrolyte was dissolved is 104.0 g of water. The solution's freezing point was -1.9°C. What is the molar mass of the unknown compound?
What is the concentration of hydronium ion in an aqueous solution at 25 degrees C has a hydroxide ion concentration of 0.000038?
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