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What is the concentration of Br- (aq) in a solution prepared by mixing 75.0 mL of 0.62 M iron (III) bromide with 75.0 mL of water? Assume volumes are additive. the answer is 0.93 but I got 1.86 and 3.1 I'm not even sure anymore!
If 25 g of methanol (CH4O) are dissolved in 147mL of solution, what is the molarity of the solution
calculate the molecular mass of the nonionic solutes 64.3 grams of solute in 3.90 x 102 grams of water raises the
A buffer is to be made with a pH of 8.50 by adding hydrobromic acid to one of the following bases. Which base is the best choice for making this buffer
What is the enthalpy change when 1 mole of ammonia gas is decomposed into its elements?
Calculate the lime dosage required for soften- ing by selective calcium removal for the following water analysis. The dissolved solids in the water are CO2 = 17.6 mg/L, Ca2 + = 63 mg/L, Mg2 + = 15mg/L, Na + = 20mg/L, Alk (HCO3- )
34.62mL of 0.1510M NaOH was needed to neutralize 50.0mL of an H2SO4 solution. What is the concentration of the original sulfuric acid solution?
the average soil organic carbon content = 0.01%. assume that soil organic carbon is the primary sorbent and that degredation and dispersion are negligible.
Enter the correct expression for the reaction rate corresponding to each of the following mechanisms:
If the fluid inside a tree is about 0.3 M more concentrated in solute than the groundwater that bathes the roots, how high will a column of fluid rise in the tree at 24°C. Assume that the density of the fluid is 1.0 g/cm3. (The density of mercury ..
Question- One-hundred milliliters of 1.75 mM NaCl is mixed with 80.0mL of 3.20 mM MgCl2 at 20 degrees Celsius. Calculate the osmotic pressure of each starting solution and that of the mixture, assuming that the volumes are additive and that both s..
label the layers after an extraction. Describe a fast method for determining which layer is your organic phase.
Calculate the standard enthalpy of formation of gaseous diborane (B2H6) using the following thermochemical information
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