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While an ion-selective electrode for X was immersed in 0.0620 M XCl the measured potential was 0.0430 V. Explain what is the concentration of X while the potential is 0.0580 V? Presume that the electrode follows the Nernst equation the temperature is at 25°C, as well as that the activity coefficient of X is 1.
What is the final concentration if 75.0 mL of a 3.50 M glucose solution is diluted to a volume of 400.0 mL?
How much heat is produced in burning 5 mol of C2H2 under standard conditions if both reactants and products are brought to 298 K
identify the oxidizing agent in the reaction mg2hclh2mgcl2 the generation of hydrogen gas in the
Why is sodium bicarbonate used instread of sodium hydroxide for the initial extraction
Starting with an expression for Ka derive the Henderson-Hasselbach equation. Utilized the reaction HA+H2O A- + H3O+ as an example.
Solutions of sodium thiosulfate are used to dissolve unexposed AgBr ( Ksp= 5.0E-13) in the developing process for black-and-white film. What mass of AgBr can dissolve in 1.00L of 0.500M Na2S2O3?
If 5.95 mole of ethane (C2H6) undergo combustion according to the unbalanced equation C2H6 + O2 = CO2 + H2O how many oxygen is required?
Using information from the table of Standard Thermodynamic Data, calculate the equilibrium constant, Keq, for the reaction given below at 298 K.
Propose a reasonable reaction mechanism for the sodium hypochlorite oxidation of 3-heptanol. Give the IUPAC name of the expected product. What other oxidizing agents may be used to carry out this oxidation
A solution is prepared by adding some solid CaF2 to water and allowing the solid to come to equilibrium with the solution. The equilibrium constant for the reaction below is Kc = 3.9x10-11.
The concentrationof the alkane C20H42 (FM= 282.55) in a particular sample in rain water is 0.2ppb. Assume that the density of the rain water is close to 1.00 g/ml and find the molar concentration of C20H42.
calculate the number of grams of urea that must be added to 150 g water to give solution whose vapor pressure is 2.5
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