Zinc(s) (MW=65.38), with a mass of 0.228 g, was reacted with 20.00 mL of NaClO (MW=74.44) according to the following unbalanced ionic equation. Determine the normality of NaClO. Zn(s) + ClO- → Zn(OH)2 + Cl- (in basic medium)
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Zinc(s) (MW=65.38), with a mass of 0.228 g, was reacted with 20.00 mL of NaClO (MW=74.44) according to the following unbalanced ionic equation. Determine the normality of NaClO.
Zn(s) + ClO- → Zn(OH)2 + Cl- (in basic medium)
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- In the standardization of HCl using pure anhydrous sodium carbonate as the primarystandard for methyl orange as an indicator, 1.0 mL HCl was found to be equivalent to 0.05gof sodium carbonate (MW =106). The normality of HCl is:The Kc for the reaction 2A (aq) ⇌ 3 B (aq) is 0.085. What is Kc for the reaction 3 B (aq) ⇌ 2A (aq)?1. What is the gravimetric factor of SO3 in BaSO4? 2. What is the normality of an oxidizing agent of a solution of potassium dichromate (K2Cr2O7) containing 8.906 g per 200 mL in the presence of acid? (Cr2O7-2 + 6Fe+3 + 14H+ → 2Cr3+ + 6Fe3+ + 7H2O) NOTE: Present complete solution with corresponding units.
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- NaOH (aq) + HCl (aq) → NaCl (aq) + H2O (l) 31.88 mL of 0.09951 M NaOH was used to titrate 7.00 mL of HCl to the endpoint. Calculate the mol of HCl that reacted and the molarity of the HCl solution. SHOW WORK.normality of 0.5781 g acid (eq wt = 187.3) in 250.0 mL of solutionCome up with a dilution scheme starting from 1000 μg/mL Mn stock solution so that the concentration of permanganate in the solutions just prior to measurement (after Step B.6.) are: 7.5, 15.0, 22.5, 30.0 and 37.5 μg/mL MnO4-. Carefully read the units!