Consider the neutralization reaction 2HNO3(aq)+Ba(OH)2(aq)⟶2H2O(l)+Ba(NO3)2(aq)2HNO3(aq)+Ba(OH)2(aq)⟶2H2O(l)+Ba(NO3)2(aq) A 0.100 L0.100 L sample of an unknown HNO3HNO3 solution required 35.7 mL35.7 mL of 0.100 M Ba(OH)20.100 M Ba(OH)2 for complete neutralization. What is the concentration of the HNO3HNO3 solution? concentration:
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Consider the neutralization reaction
A 0.100 L0.100 L sample of an unknown HNO3HNO3 solution required 35.7 mL35.7 mL of 0.100 M Ba(OH)20.100 M Ba(OH)2 for complete neutralization. What is the concentration of the HNO3HNO3 solution?
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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:A 10 ml of concentrated acetic acid was added in a sufficient quantity of water to make 350 ml of the acid solution. SG acetic acid= 1.05 kb acetate = 5.556x10^-10 What is the weight of acetic acid in grams? What is the molarity (mole/Liter) of acetic acid solution? What is the ka of acetic acid? What is the Hydronium ion concentration? What is the pH of the solution?Solution X 100mL of 0.10M NaOH (aq) is mixed with 100mL of 0.10M HBr(aq) Solution Y 100mL of 0.1M NaBr(aq) is mixed with 100mL of 0.10M HBr(aq) Solution Z 100mL of 0.1 M HC2H3O2 (aq) is mixed with 100mL of 0.10M NaC2H3O2(aq) A student prepares three solutions, X, Y, and Z, as described in the table above. The values of Ka for the acidic species in the solutions are given in the table below. Species Ka HBr >>1(very large) HC2H3O2 1.8x10^-5 a. Using the information above, write the letters of the solutions to rank the solutions in order of increasing pH. Explain your reasoning for the ranking. Lowest pH Highest pH < < b.Does the pH of solution Y increase, decrease, or remain the same when 100 mL of water is added? Justify your answer. c.The student adds 0.0010 mol of NaOH(s) to solution Y, and adds 0.0010 mol of NaOH(s) to solution Z. Assume that the volume of each solution does not change when the NaOH(s) is added. The pH of…
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