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1. If, in an solution of aqueous sulfuric acid [H2SO4], hydronium ion concentration is 4 times the concentration of sulfate ion, then determine the initial molarity of H2SO4 is closest to what?
2. while Considering a buffer solution that is prepared by combining 60 mL of 0.35 M NH4Cl with 85 mL of 0.40 M Ammonia. determine the amount of hydrochloric gas that should be bubbled into the buffer to triple hydronium ion concentration is closest to what?
Normally the alkaline earth carbonates (MCO3; M = Mg^2+, Ca^+2, Sr^+2, Ba+2) are insoluble in water. Why would the method used in this experiment work for calculating the molar mass of the alkaline earth? How would the calculations have to be cha..
Calculate the work done (in joules) against a pressure of 1.0 atm at 25 o C. If 3 moles of H 2 react with 3 moles of Cl 2 to form HCl while
determine the renal extraction ratio for CHF patients it CHF reduces renal function by 1/2 and state and give explanation which is the more abundant isotopic form of copper.
pKa of a carboxylic acid group found on a molecule of DOM is 4.2 and pKa of An amino group found on a molecule of DOM is 9.3. Explain how pH influences the ability of these groups to bind to metals. Illustrate how well each of these groups would b..
Find what is the initial concentration of the chlorine before dilution - unknown concentrated chlorine
A boy receives 10mg of medicine for every kg he weighs. How much medicine should he receive if he weighs 48 pounds and the conversion factor for pounds to kilograms is 1 pound = 0.4536kg.
Find the volume of oxygen - What volume of oxygen is needed to completely combust 2.07 L of methane gas
Chemistry of Proteins and Hemoglobin - What is the effect of the following changes on the O 2 affinity of hemoglobin?
A mixture of Helium, Neon, and Nitrogen gases has a pressure of 1.348 atm. Determine what is the partial pressure of N2 in the mixture If the pressures of Helium and Neon are 0.124 atm and 0.996 atm, respectively.
A 0.5485 g solid mixture have only ferrous chloride hexahydrate and ferrous ammonium sulfate hexahydrate. dissolved in 1M sulphuric acid get oxidized to Fe3+ with hydrogen peroxide, and get precipitated with cupferron.
Calculate the pH of this solution? if we want to lower the pH by one unit of this solution then How many mL of 0.1 M H 3 PO 4 should be added to this solution?
An equilibrium mixture of this reaction(NH4HS(s)?NH3(g)+H2S(g)) at a certain temperature was found to have [H2S]= 0.350M and [NH3]= 0.276M .What is the value of the equilibrium constant (Kc) at this temperature.
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