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0.688g of antacid was treated with 50.00 mL of 0.5M HCl. the excess acid required 4.21 mL of 1.200M NaOH for back-titration. what is the neutralizing power of this antacid expressed as millimoles of HCl per gram of antacid?
Integrate the expression b = 1/V (derivative of V / derivative of T) at constant pressure, assuming that b is independent of temperature. By doing so, obtain an expression for V as a function of T and b at constant P. b means beta
What is the composition of this mixture on a mole percent basis? Show all calculations and report answer to correct number of significant figures
calculate the ph of a solution that is made by combining 125 ml of 0.050 M hydrofluoric acid with 50 mL of 0.10 M sodium fluoride
compute the hydroxide ion concentration in a nh3 solution that is 0.091 m and 0.028 m nh4cl. kb of nh3 is 1.8 x
What is the name to represent the Electronic geometry of C2F2 and also how do you draw a diagram of the actual shape? What is the name to represent the actual shape?
Find the concentration of Ca2+ and IO-3 in a saturated Ca(IO3)2 solution prepared by adding Ca(IO3)2 to a 0.015 M solution of KIO3
How many moles of pure KHP are in a sample if it takes 15 mL of 0.1005 M NaOH to reach the endpoint of the titration
If 30.0mL of 0.500M KOH are needed to neutralize 10.0mL of HCl of unknown concentration, what's the molarity of HCl?
The titration required 35.46 mL of 0.1052M Na2S2O3 solution. A faded price label on the gallon bottle read $0.79. The density of the bleaching solution was 1.10 g/mL Calculate the number of moles of S2O32- ion required for the titration
A dioxin-contaminated water source contains 0.081% dioxin by mass. How much dioxin is present in 4.2 L of this water? (Assume that the density of the solution is 1.01 g/mL.)
Calculate the difference in activation energy between disproportionation and combination. At what temperature will termination be 90% by combination
Explain how this reaction at equilibrium responds to the addition of heat? Please include any logic for why the reaction is endothermic or exothermic,
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