
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Transcribed Image Text:How many valence electrons are in the molecule acetic acid, CH3CO2H?
O 12
8
16
20
24
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- 4. (a) Calculate [H3O*] and [OH] for the solutions indicated: lemon juice, pH = 2.42 (1) (ii) household ammonia pH = 11.21 (iii) (iv) (v) phosphate buffer pH = 6.96 human urine pOH = 7.8 tomato juice pOH = 9.9arrow_forwardA reagent bottle contains 6.00 M NaOH solution. How many gram of NaOH must be dissolved to prepare 473 mL of such solution? (A) 71.0 g (B) 114 g (C) 507 g (D) 3150 garrow_forward1. (a) Write the full balanced chemical equation for the reaction between acetic acid and sodium hydroxide. (b) A titration of 50.00 mL of acetic acid required 28.32 mL of 0.1014 M NaOH for complete neutralization. Calculate the molarity (moles/L) of the acetic acid (Ma). [Hint: see eqn top p. 41] Show work & use proper sig figs !arrow_forward
- 3.37 Predict the position of equilibrium for the following reaction: OH ОН + +arrow_forwardWhat is the molarity of 5.30 g of Na2CO3 dissolved in 400.0 mL solution? (a) 0.125 M (b) 0.075 M (c) 0.25 M (d) 1.25 Marrow_forward2.2 6. (1) Define pH in words. The strong acid HClag has a pH value of 1, use the following equation for a strong acid: Claa HClaa Hog + and convert the following expression to deduce the hydrogen ion concentration: pH = -log10 [H+] (ii) Use the above expression to deduce the pH of HCl (ag) given the concentration of the acid to be 4.5 mol/dm³ pH =arrow_forward
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