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- The chemical activity ion solution related the actual concentration of the ion: Which one, if any of the following statements is actually true (i) The chemical activity of an ion is closest to the actual concentration when the ion concentration is very high. (ii) Chemical activity and activity coefficient are two names that have the same meaning: ' standard state will have chemical activity of zero. (iii) A substance in its (iv) In a solution with high ionic strength in the background; Cl ions will have less ; repulsion for each other: Actually, none of the above is trueIron nail clipped in a solution kept in a test tube. After half an hour it was observed that the colour of the solution was changed. The solution in test tube was that of:(a) Zinc sulphate(b) Copper sulphate(c) Iron sulphate(d) Aluminium sulphate• Part A What is the net ionic equation of the reaction of FeCl2 with NaOH? Express you answer as a chemical equation including phases. , View Available Hint(s) remplates Symbols uado redo resat keyboard shortcuts help, A chemical reaction does not occur for this question. Submit Part B What is the net ionic equation of the reaction of M9SO4 with Pb(NO3)2? Express you answer as a chemical equation including phases. , View Available Hint(s) Templates Symbols uado redo resat keyboard shortcuts help A chemical reaction does not occur for this question. Submit Provide Feedback
- Write balanced molecular and net ionic equations for the reactions of the following metals with hydrochloric acid to give hydrogen plus the metal ion in solution.Balance the following equation: O (6) - CrOs (0) Cr (0)Complete and balance the following equations: (a) Mg;N2(s) + H,0(I) (b) C3H;OH(1) + 02(8) (c) MnO2(s) + C(s) (d) AIP(s) + H2O(1) (e) NazS(s) + HCI(aq)
- The following analytical procedures were used for the determination of chlorate (ClO3-). 10.00 mL of solutionA containing chlorate is analyzed. The chlorate is reduced with granulated zinc (to chloride).The excess zinc is dissolved in acid, after which the sample is filtered. The filtered sample is added70.00 mL 0.100 M AgNO3 solution dropwise. The precipitate is filtered off, washed and dried.It weighs 0.6003 grams. Calculate the chlorate concentration in solution Aa 523.1 mg sample of impure KBr is treated with excess AgNO3 and 814.5 mg AgBr is obtained. What is the purity of KBr?This is an unknown solution which comprises of several ions possible for analysis. From the given information, determine which ions are present. Use + for positive, - for negative, or ? for insufficient information. An unknown solution containing the ions listed to the right was found: For Group I Cations: 1). A white precipitate was generated when 2 drops of 6M HCl solution was added to the unknown solution test tube. 2). Di water was added to the solution from part 1, and then the ppt was separated from the supernatant. The ppt was then washed with DI water few times to make sure is ppt is clean. 3). On the ppt separated from part 2 excess 6M NH3 was added and as a result all the ppt was dissolved. For Group III Cations: 4). An addition of Excess 6M NH3 led to a basic solution and a ppt. The ppt was then separated from the supernatant. 5). When Excess 6M NaOH was…