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STALIN [3.7K]
2 years ago
12

What volume of a 15.0% by mass NaOH solution, which has a density of 1.116 g/mL , should be used to make 5.05 L of an NaOH solut

ion with a pH of 10.6
Chemistry
1 answer:
Vilka [71]2 years ago
7 0

Answer:

NaOH = 40 g/mole

M = 10*d*m% /MW

M = 10*1.116*15/ 40

M = 4.185

––––––––––––––––––––

pH = 11 –––> pOH = 3 –––> [OH–] = 10^–3 M

M1*V1 = M2*V2

4.185* V1 = 10^–3 * 5.3

V1 = 1.27×10^–3 L = 1.27 ml

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