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A 50% KOH solution (d= 1.52 g/mL) is made by adding 50 grams of KOH and enough water until the weight of the solution is 100 g. Calculate the molarity of the 50% KOH solution.
What is the molar solubility of pbcl2 in a solution containing 0.020 M cl-(aq)? the ksp for pbcl2 is 1.6*10^-5
A sample of oxygen gas () was found to effuse at a rate equal to three times that of an unknown gas. The molecular weight of the unknown gas is __________ g/mol.
Calculate the vapor pressure of a solution of 20 g of benzene (C6H6) and 20 g of toluene (C7H8) at 90 oC
at a particular temperature k 4.0 x 10-7 for the reaction n2o4g ---gt 2no2g. in an experiment 1.0 mol n2o4 is placed
It takes 46.8 hours for nitrogen-filled balloon to shrink to a quarter of its original volume by effusion though a very small hole. If the same balloon had been filled with helium,
Calculate the pH after 0.10 mol of HCl has been added to the original solution. Assume no volume change on addition of HCl
In the Haber process for the production of ammonia, N2(g) + 3H2(g) ---> 2NH3(g) what is the relationship between the rate of production of ammonia and the rate of consumption of hydrogen?
What is the molar solubility of CaF2 in 0.10 M NaF solution at 25°C? The Ksp for CaF2 is 1.5x10^-10.
five times in the course of parts a-d of this experiment you were able to dissolve an "insoluble" compound, something that seems like a contradiction in terms, identify each of the 5 compounds and briefly explain what made each of these dissolutio..
Balance the equation for the following reaction in a basic solution. Give balanced equations for both half-reactions and balanced equation for the overall reaction.
Which of the following equations represents the proper net ionic equation for the complete neutralization reaction between the weak acid HClO2 (aq) and the strong base KOH (aq)?
Calcium nitrate solution is added to a solution of sodium phosphate
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