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Problem- 4.00 ml of a 2.00 x 10^-2 M solution of NaSCN is diluted to 100 ml of solution, what is the molarity of SCN in the solution?
As much detail as feasible is really appreciated
sample of an unknown was dissolved in 10.7 g acetic acid. If the freezing point depression of the solution was 4.14°C, find the molar mass of the unknown
Researchers analyzing an unknown hydrocarbon with chemical formula CxHy found that 225 grams of O2(g) were required for complete combustion of 1.0 mol CxHy, to form CO2(g) and H2O(g) only.
5 gram of solid calcium sulfate is added to 1 leter of pure water. what is the soncentration of dissolved sulfate once equilibrim is achieved
Determine the pH (to 2 decimal places) of a 3.78×10-2 M solution of sodium hydrogen carbonate. If the 5% approximation is valid, use the assumption to compute pH.
Free radicals are important in many environmentally significant reactions. For example, photochemical smog, which forms as a result of the actions of sunlight on air pollutants, is formed in part by the following two steps.
Suppose 35.68 mL of 0.01015 M KMnO4 is required to titrate 3.576 g of a sample containing C2O42-. What percentage Oxalate is present in the sample?
How many fluorine atoms are there in 65 g of CF4?
A mixture of gases contains 1.35 g of N2, 2.64 g of H2, and 2.38 g of NH3. If the total pressure of the mixture is 1.64 atm, what is the partial pressure of each component. PN2 atm PH2 atm PNH3 atm
Determine the concentrations of the following ionic species present in a 0.333 M solution of the diprotic acid H2SO3. For H2SO3, Ka1 = 1.4E-2, Ka2 = 6.3E-8.
Problem- The base dissociation constant for (CH3)3N is 6.31X10-5. What is the ph of a solution initially containing 5.250g (CH3)3N dissolved in 250.0 ml of solution when it reaches equilibrium
When most Fe^3+ salts are dissolved in dilute nitric acid, the solution is often yellow to orange-yellow in color. Why could you not visually detect these colors in Fe(NO3)3 stock solution
4NH3 + 5O2 yields 4NO + 6H2O Given 1.50g of NH3 reacts with 2.75g of O2 which is the limiting reactant?
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