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To determine the concentration of Cu+2 in a large sample of water an electrochemical was constructed usingAg+1 (1.0 M) and Ag as the athode and Cu in the CU+2 containing solution as the anode. the cell potental was measure to be .62volts. what is the concentration of Cu+2
What are the concentrations of each of the ions in a saturated solution of PbBr2, given the Ksp of PbBr2 is 2.1 x 10^-6?
A rigid container of O2 has a pressure of 388kPa at a temperature of 713K. What is the pressure at 273K.
How many kilograms of magnesium can be obtained from 5.96 km^3 of seawater if the initial Mg^2+ concentration is .19% by mass. Remember the density of seawater is 1.04 g/ml
Write a balanced chemical reaction (using structural formulas) that describes a NAS reaction between benzyl alcohol and propanoic anhydride.
If 3.93 g of sodium borohydride contains 2.5 × 10^23 H atoms, how many moles of H are present in 36 cm^3 of sodium borohydride (of density 1.074 g/cm^3)? Answer in units of mol
The coinage metals-copper, silver, and gold-crystallize in a cubic closest packed structure. Use the density of copper (8.95g/cm3) and its molar mass
How much energy (in kilojoules) is required to convert 270 mL of diethyl ether at its boiling point from liquid to vapor if its density is 0.7138 g/mL?
What is the equilibrium concentration of hydronium ion in a solution that is 0.0877 M in HX and 0.240 M in X1- ion?
Under these conditions, the half-life of the reaction has been estimated to be 6.4 103 min. What would the half-life be if the initial concentration of NO were 13 ppm?
Assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts.
The vapor pressure of dichloromethane,CH_2Cl_2, at 0 degrees C is 134 mmHg. The normal boiling point of dichloromethane is 40. degrees C. Calculate its molar heat of vaporization.
For equilibrium calculations involving metal complexes with EDTA, it is convenient to calculate the fraction of EDTA that is in the completely unprotonated form, Y4- (see the figure). This fraction is designated ?Y4-. Calculate ?Y4- at the followi..
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