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Author Question: Calculate the minimum concentration of Mg2+ that must be added to 0.10 M NaF in order to initiate a ... (Read 36 times)

Caileynorton

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on: Nov 5, 2023

Question 1

Calculate the minimum concentration of Cr3+ that must be added to 0.095 M NaF in order to initiate a precipitate of chromium(III) fluoride. (For CrF3 , Ksp = 6.6 × 10–11.)
◦ 0.023 M
◦ 0.032 M
◦ 7.7 × 10–8 M
◦ 2.9 × 10–9 M
◦ 6.9 × 10–10 M

Question 2

Calculate the minimum concentration of Mg2+ that must be added to 0.10 M NaF in order to initiate a precipitate of magnesium fluoride.  (For MgF2 , Ksp = 6.9 × 10–9.)
◦ 1.4 × 107 M
◦ 6.9 × 10–9 M
◦ 6.9 × 10–8 M
◦ 1.7 × 10–7 M
◦ 6.9 × 10–7 M
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
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Marked as best answer by Caileynorton on Nov 5, 2023

rika06@comcast.net

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Reply #1 on: Nov 5, 2023
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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Caileynorton

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Reply 2 on: Nov 5, 2023
YES! Correct, THANKS for helping me on my review

rleezy04

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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