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What is observed when the Na2SO3 solution is added to the CuCl2 solution?
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Solved in 2 steps
- (a) What is a coordinate covalent bond?(b) Is it involved when FeCl3 dissolves in water? Explain.(c) Is it involved when HCl gas dissolves in water? Explain.Redo the third problem of the Prelaboratory Assignment, substituting NaIO3 (sodium iodate) for NaOCl. The new reaction yields I2 as the only product containing a halogen.Thermal decomposition of 2.968 g of a mixture containing NaHCO3 lost 0.453 g. Calculate the percentage of NaHCO3 in this unknown mixture.
- What is the pH of a 0.05 M solution of CdSO4 if the KA value for [Cd(H2O)n] 2+ is 3x10-9 ? b. Write dissociation constant expression and predict pH (less or greater than 7) for Na2CO3 and CuCl2.Explain why solutions of Ca2+ and Mg2+ in the presence of carbonate leave deposits (from the reaction involved), but Na+ does not.What is the enthalpy value of the reaction 2Pd + O2 = 2PdO?When will Na2O be reduced by chrome?