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Question- You add an excess of solid MX into 250 g of water. You measure the freezing point of the solution and find it to be -0.028°C. Assuming the solution has a density of 1.0 g/mL, what is the Ksp of the solid?
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100 mL of a 0.125 M solution of HBr was titrated with a 0.100 M solution of KOH at 25 C. The equivalence point will be reached after addition of what volume of the titrant?
acetic acid is a weak monoprotic acid. it is the active ingredient in vinegar. if the initial concentration of acetic
Problem- Formula H2O, mass in grams 7.6, molar mass 18g/mol, moles .42 mol, 1) What are the mole and how many atoms in the element
12 grams of hydrogen is combined with 104 grams of oxygen as an explosive reaction that forms water as its sole
When 100.g Mg3N2 reacts with 75.0 g H2O, 15.0 g of NH3 is formed. What is the % yield?
What is the pH of a solution that is known to be 5.58 M in H3PO4. What would be the approximate concentration of PO43-(aq) in that solution
Calculate the calorimeter constant. The enthalpy of combustion of antracene is -7061 kJ/mol.
If you are given a stock concentration of 0.00099 M in 0.5 H2SO4 of potassium dichromate. Then dilute 5 mL of potassium dichromate with 20 mL of H2SO4. What is the concentration
how many grams of zinc metal will react with 24.5 ml of 2.0 m hydrochloric acid hcl forming zinc chloride zncl2?
Problem- Based on the molecular structures of the fluorocarbons, account for the difference in their solubilities.
Determining System Equilibrium, A one-litre cylinder at 458'C is found to contain 0.36 moles of HI (g), 0.15 moles of I 2(g), and 0.18 moles of H2(g). Is this system at equilibrium?
Many household cleaning products contain oxalic acid, H2X2O4 , a diprotic acid with the following dissociation constants: , . Calculate the equilibrium concentration of C2O4^2- in a 0.20M solution of oxalic acid.
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