6. Moles of Na2S2O3 required = 0.0000230
7. Milliliters of HCl required = 8. 93

Question 6 Status: Tries remaining: 3 | Points possible: 1.00 Suppose in an experiment to determine...
1 Suppose in an experiment to determine the amount of sodium hypochlorite in bleach, 0.0000443 mol KIO30.0000443 mol KIO3 were titrated with an unknown solution of Na2S2O3 and the endpoint was reached after 17.80 mL17.80 mL. How many moles of Na2S2O3 did this require? 2. How many moles are present in a 25.00 mL sample of 0.076 M acetate? 3. A 25.00 mL solution containing 0.035 M sodium acetate is titrated with a 0.098 M solution of HCl. How many...
Suppose you analyze a 34.7 g sample of bleach and determine that there are 2.03 g of sodium hypochlorite present What is the percent of sodium hypochlorite in the bleach sample? Suppose in an experiment to determine the amount of sodium hypochlorite in bleach, 0.0000157 mol KIO, were titrated with an unknown solution of Na2S2O3 and the endpoint was reached after 14.63 mL What is the concentration of the Na2S2O3 solution, in M? Suppose, in an experiment to determine the...
Suppose in an experiment to determine the amount of sodium hypochlorite in bleach, 0.0000552 mol KIO3 were titrated with an unknown solution of Na2S2O3 and the endpoint was reached after 17.80 mLHow many moles of Na2S2O3 did this require?
Question 5 Status: Tries remaining: 3 Points possible: 1.00 Calculate the molarity of a solution prepared by dissolving 0.187 g of KHP in enough water to make 125 mL of solution. The formula of KHP is KC H504 Answer: CHECK Question 6 Status: Tries remaining: 3 1 Points possible: 1.00 A beaker containing 0.400 g KHP was titrated with NaOH solution. The pale pink end point was reached after 18.55 mL of NaOH solution was dispensed. What is the molarity...
Question 6 Status: Tries remaining: 3 Points possible: 1.00 A beaker containing 0.400 g KHP was titrated with NaOH solution. The pale pink end point was reached after 19.55 mL of NaOH solution was dispensed. What is the molarity of the NaOH solution? Answer:
A 25.00 mL solution containing 0.035 M sodium acetate is titrated with a 0.098 M solution of HCl. How many milliliters of HCI are required to reach the endpoint? Answer CHECK A 25.00 mL solution containing 0.035 M sodium acetate is titrated with a 0.098 M solution of HCI. How many milliliters of HCI are required to reach the endpoint? Answer: CHECK
Question 5 Status: Tries remaining: 3 | Points possible: 1.00 Calculate the molarity of a solution prepared by dissolving 0.185 g of KHP in enough water to make 125 mL of solution. The formula of KHP is KC3H304. Answer:
Question 8 Status: Tries remaining: 21 Points possible: 1.00 Suppose you measure the absorbance of a yellow dye solution in a 1.00 cm cuvette. cm what is The absorbance of the solution at 427 nm is 0.46. If the molar absorptivity of yellow dye at 427 nm is 27400 M the concentration of the solution? Answer: Question 9 Status: Tries remaining: 2 Points possible: 1.00 If you plot the absorbance measurements of solutions vs. their concentrations, what is the slope...
Status: Tries remaining: 2 Points possible: 1.00 If the density of aluminum is 2.70 g/mL and there are 453.9 grams in a pound, what is the volume (in ml) of an aluminum bar that weighs 13.0 lbs? Answer: CHECK
Question 1 Status: Tries remaining: 2 | Points possible: 1.00 The reaction is a type of Choose.. that Saponification is the process of making soap from fats or oils Choose... which is the soap uses the addition of a to release the Choose... CHECK Question 1 Status: Tries remaining: 21 Points possible: 1.00 . The reaction is a type of Choose... condensation that fats or oils Saponification is the process of making soap from ,which ist esterification hydrolysis to release...