What is molarity and molailty of the solution
An aqueous KNO3 solution is made using 87.6g of KNO3 diluted to a total solution volume of 1.33L. Density of the solution is 1.05 g/mol. What is its molarity of the solution? molailty of the solution? and mass percent of the solution?
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Propane gas (C3H8) is used as a fuel in rural areas. How many liters of CO2 are formed at STP by the complete combustion of the propane in a container with a volume of 15.0 L and a pressure of 4.5 atm at 25 C?
Denaturation of a protein takes place over a small range of temperature as shown by the heat denaturation curve of ribonuclease A shown in your textbook on p.107. Explain what this tells you about the forces that stabilize most protein structures.
the earth undergoes over a specified period of time the amount of work required to build a house the heat generated by a chemical reaction carried out at constant temperature and pressure the enthalpy released by the combustion of a gallon of gaso
How many mmol of acetic acid (HC2H3O2) are required to react with the NaOH? If your titration solution is 0.424 M in NaOH, and the endpoint occurs at 13.50 mL of titrant.
Give the structure of the products that you would expect from the reaction of 1-butyne with each of the following: a) 1 mol equivalent of BR2 b) 1 mole equivalent of HBr c) H2 in excess/Pt, then 3 mol equivalent of NaNH2 and then CH3I d) NaNH2 the
Calculate the [H3O+] of the following polyprotic acid solution: 0.340M H3PO4 . and calculate the ph 2) Calculate the [H3O+] and pH of the following polyprotic acid solution: 0.360M H2C2O4 and calculate the pH
30.0 mL of 0.10 M Ca(NO3)2 and 15.0 mL of 0.20M Na3PO4 solutions are mixed. After the reaction is complete, which of these ions has the lowest concentration in the final solution
If 67.0 mL of 0.119 mol/L NaOH(aq) and 35.0 mL of 0.193 mol/L HA(aq) are mixed, then what is [HA] at equilibrium. Assume that HA is a weak monoprotic acid with pKa=6.23 at 25oC. Give your answer with three significant figures
What is the volume (L) of a sample of gas when 4.50 grams of H20(g) and 35.0g of Xe(g) at 650mmHg are mixed at 200 degrees celsius
If a buffer solution is 0.230 M in a weak acid (Ka = 3.8 × 10-5) and 0.410 M in its conjugate base, what is the pH
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