(7. Consider the reaction as follows: Na2SO4(aq) + BaCl2(aq) → BaSO4(s) + 2 NaCl(aq) A 1.00-mol sample of sodium...
is the pH and pOH of the acid solution with [H'] = 0.38 M? What is the [H30") and TOH concentration of an acid solution with pH = 5.5? 3. How many liters of 0.186 M of NaOH(aq) contain 0.135 mol of NaOH? If 0.123 g NaOH is dissolved in enough water to make 250.0 mL of solution, what is the molarity (M) of the sodium hydroxide solution? If 2.00 mL of 0.456 M NaOH is diluted to exactly 100...
A 40.0-mL solution contains 0.033 M barium chloride (BaCl2). What is the minimum concentration of sodium sulfate (Na2SO4) required in the solution to produce a barium sulfate (BaSO4) precipitate? The solubility product for barium sulfate is Ksp = 1.1 ✕ 10−10.
A 40.0-ml solution contains 0.021 M barium chloride (BaCl2). What is the minimum concentration of sodium sulfate (Na2SO4) required in the solution to produce a barium sulfate (BaSO4) precipitate? The solubility product for barium sulfate is Ksp = 1.1x10-10 Supporting Materials Periodic Table Supplemental Data Constants and Factors
Two solutions, 50.0 mL of 1.00 M BaCl2 (aq) and 50.0 mL of 1.00 M Na2SO4 (aq), both at 21.5 ° C, are mixed in a thermometer. The heat capacity of the thermometer with the solutions in is 1.23 kJ / ° C. During mixing, the temperature of the solution rises to 23.4 ° C. How much heat (qrxn) is released from the reaction that occurs when 1 mole of BaSO4 (s) is precipitated? Give the answer in kJ.
4. Using the following reaction, H2SO4 (aq) + 2 NaOH (aq) → Na2SO4 (aq) + 2 H2O () calculate the molarity of the H2SO4 solution if 17.45 mL of NaOH was necessary to reach the endpoint of a titration. The molarity of the NaOH solution was 0.425 M and 26.30 mL of H2SO4 was added to the Erlenmeyer flask.
Consider the reaction between sulfuric acid and sodium hydroxide: H2SO4(aq) + 2 NaOH(aq) → Na2SO4(aq) + 2 H2O(l) ΔHrxn = -111 kJ 125 mL of 0.400 M H2SO4(aq) and 125 mL of 0.400 M NaOH(aq) is mixed in a coffee cup calorimeter. Calculate qrxn. The reaction goes to completion.
Question 1 2 pts Given the balanced chemical equation: Thermometer Ba(NO3)2(aq) + Na2SO4(aq) →BaSO4(s) + 2 NaNO3(aq) - Stirrer A 0.30 L of 0.15 M Ba(NO3)2(aq) is mixed with excess Na2SO4(aq) to make 200.0 g of solution in a coffee-cup calorimeter and allowed to react completely. The temperature of the solution rises from 23.5 °C to 24.9 °C. Answer the question in each step to find Hrxn for this reaction. Cs,soln = 4.18 J/g °C Cover Step 1: The reaction...
Consider the reaction H2SO4(aq) + 2NaOH(aq) → 2H2O(l) +Na2SO4(aq). If 25 mL of H2SO4 was needed to react with 15 mL of 0.20 M NaOH, what is the molarity of the H2SO4(aq)?
D Question 6 1 pts Given the balanced chemical equation: Ba(NO3)2(aq)+ Na2SO4(aq) BaSO4(s) + 2 NaNO3(aq) ons A 0.30 L of 0.15 M Ba(NO3)2(aq) is mixed with excess Na2SO4(aq) to make 200.0 g of solution in a coffee-cup calorimeter and allowed to react completely. The temperature of the solution rises from 23.5 °C to 24.9 °C. Answer the question in each step to find ΔHrxn for this reaction. Csson-4.18 J/g °C Stirrer sources Cover Step 1: The reaction is I...
- What is the molarity of a solution in which 0.051 grams of sodium thiosulfate is prepared in a solution having a total volume of 200.00 mL Neutralization is the reaction between an acid and a base, producing a salt and neutralized base. For example, hydrochloric acid and sodium hydroxide form sodium chloride and water: HCl(aq)+ NaOH(aq) H2O0+NaCl(aq) a. Using the previous reaction, if 35 ml of 0.1 M NaOH will neutralize 10 mL of HCl, what is the concentration...