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Part A - What volume of 2.25M HCl in liters is needed to react completely (with nothing left over) with 0.250L of 0.300M Na2CO3?Express your answer numerically in liters. Part B - A 571-mL sample of unknown solution reacts completely with Na2CO3 to form 15.1g CO2. What was the concentration of the HCl solution? Express the molar concentration numerically.
one hundred grams of water is saturated with nh4cl at 50degc. according to table g if the temperature is lowered to
Calculate the molarity of a solution of glycerol made by dissolving 34.000 mL glycerol at 15 C in enough water to make 300.00 mL of solution.
to what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time? Assume ideal behavior for all gases.
Calculate the pH during the titration of 40.00 ml of 0.1000M NaOH Solution after the following additions of base a) 24.00 ml b)39.80 ml c)52.00 ml
Determine the value of the solubility-product constant if solubility of T3U2 =4.24× 10-20 mol/L.?
A solution containing 80 g of KCl in 200 g of water at 50 0 C is cooled to 20 0C, a) How many grams of KCl remained in solution at 20 0C and b) How many grams of KCl crystallized out
write the half reaction for oxidation of n-butanol. (d) Calculate Eo' at 25.0 oC for the n-butanol half reaction in (c) above
Calculate the pH of CO2-saturated water at 25 degrees C, given that the CO2 concentration in air is 366 and that for carbon dioxide the Henry's Law constant KH=3.4E-2 mol L-1 atm-1 at 25 degrees C.
It then gives off a photon having a wavelength of 4.10 × 102 nm. What is the final state of the hydrogen atom? Values for physical constants can be found here.
Using only your answer to a, and the following information: Delta H = -283.0 kJ/mol for the reaction: CO(g) +1/2 O2 (g) --> CO2 (g), determine delta H for the reaction: 4CO (g) + 2NO2 (g) --> 4CO2(g) + N2 (g).
Please balance the following equation at 25 degrees C by writing the correct coefficients in the spaces provided
You are given trhat 0.01 m aqueous solutions of each of the given solution as, C6H12O6, K3PO4, CaCl2 , NaI you jutst need to place the given solutions in order of increasing change in the freezing point of the solution.
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