For the reaction H₂S(g) + 2H₂O(1)→ 3H₂ (g) + SO2 (g) AH° = 295 kJ and AS = 295 J/K The equilibrium constant for this reaction at 345.0 K is Assume that AH° and AS are independent of temperature.

If a 0.156 g sample of a weak acid requires 25.30 ml of 0.1036 M NaOH to reach an equivalence point, what is the molar mass of the acid? (g/mol) Answer has 3 sig figs.

You have an aqueous solution of 0.01 M HNO2. What would you expect to happen if you dissolve solid KNO2 in the solution of HNO2? Be sure you canexplain your answer.

G TuT https://app.101edu.co If 24.6 g of KBr (MM = 119.00 g/mol) are added to a 500.0 mL volumetric flask, and water is added to fill the flask, what is the concentration of KBr in the resulting solution? Type here to search F3 K $ Et F5 % n F6 Question 28 of 32 F7 99+ DELL F8 L g & F10

2- Suppose a 0.33M aqueous solution of phosphoric acid (H3PO4) is prepared. Calculate the equilibrium molarity of HPO4 properties of phosphoric acid in the ALEKS Data resource. Round your answer to 2 significant digits. Ом x10 You'll find information on the

Subject is Environmental Engineering Please do part d

a) Calculate the molarity of Al2(SO4)3 if 0.150 mol Al2(SO4)3 is dissolved in enough water tomake2.70 L of solution. b) Calculate the concentration of each type of ion in the Al2(SO4)3 solution.

1.) How Many grams of NaOH (MW=40.0) are in 200 ml of a 0.175 M solution of NaOH?

Calculate the molarity of the H2SO4 solution for each of the three runs.

Conte ent attribution Question The end point in a titration of a 42 ml sample of aqueous (CH,COOH) was reached by addition of 14 ml of 0.2 M titrant. The titration reaction is CH3COOH + NaOH → CH3COONA + H2 0 What is the molar concentration of (CH,COOH)? • Round the answer to three significant figures. Provide your answer below: B FEEDBACK SUBMIT