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Author Question: What is the molarity of a sodium hydroxide solution if 29.2 mL of this solution reacts exactly with ... (Read 53 times)

cool

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on: Mar 21, 2021

Question 1

What is the change in pH when 0.30 liters of 0.020 M KOH is added to a 1.0-liter solution containing 0.25 M HF and 0.78 M NaF (Kafor HF is 7.2 10–4)?

◦ 0.01
◦ 3.65
◦ 0.51
◦ –0.08
◦ –0.21

Question 2

What is the molarity of a sodium hydroxide solution if 29.2 mL of this solution reacts exactly with 22.30 mL of 0.253 M sulfuric acid?

◦ 0.193 M
◦ 0.773 M
◦ 7.39 M
◦ 0.386 M
◦ 0.219 M
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Marked as best answer by cool on Mar 21, 2021

fauacakatahaias

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Reply #1 on: Mar 21, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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cool

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Reply 2 on: Mar 21, 2021
YES! Correct, THANKS for helping me on my review

xiazhe

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Reply 3 on: Yesterday
Wow, this really help

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