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Author Question: What is the concentration of Ni2+ion in a 0.015 M Ni(NO3)2solution that is also 1.0 M NH3? (Kffor ... (Read 25 times)

abern

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on: Mar 21, 2021

Question 1

What is the best way to ensure complete precipitation of SnS from a saturated H2S solution?

◦ Add more H2S.
◦ Add a strong acid.
◦ Add a weak acid.
◦ Add a strong base.
◦ Add a weak base.

Question 2

What is the concentration of Ni2+ion in a 0.015 M Ni(NO3)2solution that is also 1.0 M NH3? (Kffor Ni(NH3)62+= 5.5 × 108.)

◦ 4.8 × 10–11M
◦ 3.0 × 10–11M
◦ 2.7 × 10–11M
◦ 1.5 × 10–2M
◦ None of these are correct.
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Marked as best answer by abern on Mar 21, 2021

ghepp

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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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abern

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Reply 2 on: Mar 21, 2021
Gracias!

ultraflyy23

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Reply 3 on: Yesterday
Excellent

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