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Hypochlorous acid is a weak acid with pKa= 7.41 suppose a 45.00ml sample of 0.240 M HOCL solution is titrated with a 0.250 M standard KOH solution. what is the PH of the equivalence point?
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A sample of cobalt (II) chloride hydrate starts with a mass of 3.35 g. After heating, the sample mass is 1.83 g. What is the molar ratio of water to cobalt chloride? What is the correct chemical formula
When 3.56 g of an unknown hydrocarbon was dissolved in 125 g of benzene, the freezing pointof the solution was found to be 4.41oC. Analysis of thehydrocarbon showed that it contained 93.71% carbon (by mass) and6.29% hydr ...
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An inorganic chemist studying the reactions of phosphorus halidesmixes 0.1050 mol of PCl5with 0.0420 mol of Cl2 and0.0420 mol of PCl3 in a0.5000 L flask at 250°C. PCl5(g) reversible reaction arrowPCl3(g) + Cl2(g)Kc = 4.2 ...
1. Balanced equation for the double-replacement precipitation reaction described, using the smallest possible integer coefficients. A precipitate forms when aqueous solutions of iron(II) chloride and sodium hydroxid ...
For the molecule allene, H2 C = C = CH2, give the hybridization of each carbon atom. Will the hydrogen atoms be in the same plane or perpendicular planes?
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