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Which quantity has the greatest mass? 2.0 mol of Na, 2. 0 mol of Na2O, 2.0 mol of NaCl, 2.0 mol of O2
Determine what will be the major product expected from chronological treatment of propylbenzene with 1) KMnO 4 , 2) 3)H 3 O + , Cl 2 and FeCl 3 , and iv) Br 2 and FeBr 3 ?
Calculate the maximum non-expansion work that can be gained from the combustion of octane(l) and H2(g) on a per gram and per mole basis under standard conditions.
The initial solution of B was 0.100 M and had a volume of 100.0 mL. Find the pH at the following volumes of acid added Va = 0, 5 ,10, and 15 mL.
Cobalt was used as an internal standard to analyze a sample of titanium with atomic absorption spectroscopy. A mixture was prepared by combining a 4.50 mL Ti solution of unknown concentration with 2.00 mL of a 10.5 micrograms/mL solution of Co
Write both an equation using Lewis structures and a balanced chemical equation for the following reactions. Silicon atoms and chlorine molecules.
determine the mass of aluminum acetate that can be made if 125 grams of acetic acid and 275 grams of aluminum hydroxide
A 15ml aliquot of this solution was the diluted to 500ml of water. Calculate the final molarity
AgBr is the light-sensitive compound in most photographic films. Assume, when film is exposed, that the light energy absorbed dissociates the molecule into atoms.
What is the molarity of chloride ion when a mass of 27.1 g of calcium chloride is diluted to a volume of 250 mL in a volumetric flask? The molarity of chloride ion in the solution is _____x10^____2 M.
what type of salt does copper oxide produce?
Zinc metal reacts with excess hydrochloric acid to produce hydrogen gas according to the following equation: Zn(s) + 2HCl(aq) ZnCl2(aq) + H2(g) The product gas, H2, is collected over water at a temperature of 25 C and a pressure of 755 mm Hg
You already have a solution that contains 10 (millimoles) of acetic acid. How many millimoles of acetate (the conjugate base of acetic acid) will you need to add to this solution? The pKa of acetic acid is 4.74.
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