A solution contains NaHCO3 (84.01 g/mol), Na2CO3 (105.99 g/mol), and NaOH (40.00 g/mol), either alone or in permissible combination. Titration of a 25.0-mL portion to a phenolphthalein end point requires 29.75 mL of 0.1205 M HCl. A second 25.0-mL aliquot requires 36.56 mL of the HCl when titrated to a bromocresol green end point. What is the general composition of the solution? Calculate the no. of mg of each solute per mL of solution.

Q: 1. For the following reaction, AP (H₂) / At was found to be -0.0574 atm / s. N2 (g) + 3 H2(g) →→ 2…

A: Reaction :-  N2(g) + 3H2(g) -----> 2NH3(g)  ∆P(H2)/∆t =  -0.0574 atm/s  ∆P(NH3)/∆t = ?

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A: Solution in image format  given below

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A: Given, Zn + S ----> ZnS moles of Zn = 1.39 moles moles of S = 0.93 moles Limiting reagent = ?…

Q: 35. An experiment uses a catalyst that is 23.3g Co, 25.3g Mo, and 51.4g Cl. What is the empirical…

A: Given:  Mass of Co in catalyst : 23.3 g  Mass of Mo in catalyst: 25.3 g  Mass of Cl in catalyst:…

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A: Solution -

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A: How can the effect of concentration on the reaction rate be explained by collision theory?

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A: Ans. Let final temperature is Tf after mixing Since we know that, q = mcsΔT = mcs(Tf-Ti) q is heat…

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.