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Question- The solubility of PbBr2 is measured and found to be 4.17 g/L. Use this information to calculate a Ksp value for lead bromide.
Please illustrate work and walk me during the problem so that I can follow and understand it.
why must the equipment for a grignard reaction be very dry? in some reactions simply rinsing with acetone prior to the
When solutions of the compound copper (ii) chloride and zinc nitrate are mixed, does the reaction result to form a precipitate, water, gas, or is there no reaction at all.
What is the PH of 5ml 0.10 M HC2H3O2 + 5ml H2O. Can you also explain how to approximate when finding [H+].
Calculate the heat released as 115 grams of water cool from its normal boiling point (100 degrees C) to a temperature of 33 degrees C.
a student was asked to determine the percentage of the components of a mixture of potassium bromide kbr magnesium
Explain when 1.33 g of vitamin K is dissolved in 25.0 g of camphor the freezing point of the solution is lowered by 4.47C. Compute the molar mass of vitamin K.
Forty-four grams of carbon dioxide occupies 32.68 L at 65°C and 645torr. Explain what is its volume at STP?
Determine the ph ( to 1 decimal place) of a slution prepered by adding 125ml of 0.759M acetic acid to 10.3g of sodium acetate. the pKa of acetic asid is in table 10.2. Assume the volume of the solution does not change?
the temperature difference between the inside and the outside of an automobile engine is 450c. express this temperature
calculate the minimum concentration of mg 2+ that must be added to .10 M NaF in order to initiate a precipitate of magnesium flouride.
"One way to separate a mixture of stem cells and differentiated cells is to label the cell population with a specific antibody. Let's say stem cells express exactly 100 copies of the membrane antigen X, while all differentiated cells express exact..
At equilibrium, the concentration of [H2]= 0.6 M. What is the EQUILIBRIUM concentration for [H2],[I2]and [HI]? H2(g) + I2(g) 2 HI(g) [HI] =
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