The concentration of mg2 in seawater is 0052 m at what ph
The concentration of Mg2+ in seawater is 0.052 M. At what pH will 86% of the Mg2+ be precipitated as the hydroxide salt? [Ksp for Mg(OH)2 = 8.9 10-12.]______pH
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A 14.7-g ice cube is placed into 324 g of water. Calculate the temperature change in the water upon complete melting of the ice. Determine how much heat is absorbed by the melting ice and then use q = mC?T to calculate the temperature change of the
A convex mirror has a focal length of magnitude 7.63 cm. Find the magnification of the image.
A parallel circuit consists of a source and 15 ohm and 30 ohm resistors. The resistor of 15ohm draws a current of 8A. a) Find the current out of the current source. b) Find the current through the 30 ohm resistor.
Find the optimal solution usiung the graphical solution procedure.
The concentration of Mg2+ in seawater is 0.052 M. At what pH will 86% of the Mg2+ be precipitated as the hydroxide salt? [Ksp for Mg(OH)2 = 8.9 10-12.]
A flint glass plate (n = 1.66) rests on the bottom of an aquarium tank. Calculate the apparent thickness of the plate as viewed from above the water
From the samples you determine the fraction defective is 0.05 and the standard deviation is 0.01. If the desired confidence level is 99.7 percent, what is the resulting UCL value for the line?
A (3V, 300mA) flashlight bulb is to be used as the dial light in a 120V radio. What is the resistance of the resistor that should be connected in series with the flashlight bulb to limit the current
A solution is prepared by mixing 70.0 mL of 0.010 M BaCl2 and 175 mL of 0.080 M K2SO4. What are the concentrations of barium and sulfate ions in this solution? Assume only SO42- ions (no HSO4? ) are present.
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