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Problem- you need to to produce a buffer solution that has a pH of 5.17 You already have a solution that contains 10 mmol (millimoles) of acetic acid. How many millmoles of acetate (the conjugate base of acetic acid) will you need to add to this solution? The pKa of acetic acid is 4.74
Express your answer numerically in millimoles
I am need of complete solution for this problem please help- me out to get right solution
if the reaction produces 5.72 grams of a compound called magnesium ammonium phosphate,MgNH4PO4. what is the percentage of phosphorus in the original plant food sample?
Compute the kinetic energy of 1.1 kg of helium gas at 25 C. If this energy could be captured as well as used to accelerate a 1000.0 kg automobile, explain how fast would the car travel on a flat surface (ignoring friction)
The density of a given solid and liquid of molar mass 147.2 g/mol at its normal melting temperature of 372.54 K are 992.6 Kg m-3 and 933.4 Kg m-3, respectively. If the pressure is increased to 120 bar, the melting temperature increases to 375.88 K..
For the reaction Na2CO3(aq)+2HCl(aq)= 2NaCl(aq)+CO2(g)+H2O(l), suppose you have 100 mL of 3.80M Na2CO3. How many milliliters of 0.920 M HCl would you have to add to the sodium to consume the Na2CO3 completely
A solution is prepared by dissolving 19.9 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 15.00 mL sample of this stock solution is added to 59.00 mL of water.
We place some solid Ca3(PO4)2 [Ksp = 5.14x10-33] in water. After reaching equilibrium, what is the pCa (=-log[Ca2+]) of the solution
how many grams of asprin were lost in the washing process you used to purify your product assuming you used 50ml if
How do you calculate the mass of KHC8H4O4 (molar mass=204.44 g/mol) that reacts with 15mL of NaOH solution
Although aluminium chloride is ionic in the solid state it is molecular in the gaseous state. write the lewis structure, prepare a VSEPR sketch, describe the geometry, prepare a VB sketch, and desribe the bonding in gaseous AlCl3
The enthalpy of combustion for propane is -2044 kJ/mol. How many liters of propane (at STP) must be burned in order to convert 400 grams of ice initially at -9°C to liquid water at 84°C
Assume the Pacific Ocean has a surface area of 1.7 x 108 km2 and an average depth of 3900 m. Calculate the volume of water in the ocean in liters
if 88.6L of H2 measured at STP is allowed to react with 158.3g of P4, what is the limiting reactant?
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