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The solubility product constant, Ksp, for calcium carbonate at room temperature is approximately 3.0 *10-9. Calculate the solubility of CaCO3 in grams per liter under those conditions.
the highly reactive oh radical a species with an unpaired electron is believed to be involved in some atmospheric
a sample of a compound containing only magnesium and oxygen is found to have 194g Mg and 256g of O. What percentages of Mg and O in this compound?
Using the same assumptions and approximations you used in lab, determine the molar enthalpy change (in kJ/mol) for the reaction below, assuming that CH3CO2H dissociates completely in water.
How many grams of are CaH2 needed to generate 147L of H2 gas if the pressure of H2 is 827 torr at 20 C?
what is the balanced net ionic equation? AND what is the molarity of the tartaric acid solution?
Draw the expected titration curve for the titration of methylamine (a weak base) with hydrochloric acid? What would be the nature of the salt produced at equivalence point of this titration?
A 100.0-g sample of water at 27.0 oC is poured into a 77.4-g sample of water at 89.0 oC.What will be the final temperature of the water?
Write the correct equation for the principal B/L acid/base equilibrium reaction in 0.1 M (H4N)2So4.
how would you synthesize 2-ethyl-1,3-hexanediol in the lab setting? starting from simple organic compounds such as benzene
A solution is 0.034M in Na2SO4 and 0.035M in Na2CrO4. Solid Pb(NO3)2 is added without changing the volume of the solution. A. Which salt will precipitate first?
a) Using the value Ecell = 0.68V, calculate the [Ag+] in the test solution after equilibrium is reached. b). Setup a reaction table for equation above and calculate the formation constant for Ag(S2O3)23-.
If 0.334 g of water was obtained from the equation N*M H2O ?N + M H2O, how many grams of the hydrate were heated
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