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Author Question: Calculate the molality of a solution that is prepared by mixing 25.5 mL of CH3OH (d = 0.792 g mL-1) ... (Read 80 times)

penza

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on: Nov 18, 2019

Question 1

How many moles of KF are contained in 244 mL of 0.135 mol kg-1 KF solution? The density of the solution is 1.22 g mL-1.
◦ 1.67 × 10-2 mol KF
◦ 4.02 × 10-2 mol KF
◦ 4.31 × 10-2 mol KF
◦ 2.32 × 10-2 mol KF
◦ 3.29 × 10-2 mol KF

Question 2

Calculate the molality of a solution that is prepared by mixing 25.5 mL of CH3OH (d = 0.792 g mL-1) and 387 mL of CH3CH2CH2OH (d = 0.811 g mL-1).
◦ 2.01 mol kg-1
◦ 1.57 mol kg-1
◦ 0.630 mol kg-1
◦ 4.98 mol kg-1
◦ 0.812 mol kg-1
Chemistry: A Molecular Approach (Canadian) ¦ Tro, Fridgen, Shaw ¦ 2nd Edition
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Marked as best answer by penza on Nov 18, 2019

carlsona147

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Reply #1 on: Nov 18, 2019
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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penza

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Reply 2 on: Nov 18, 2019
Wow, this really help

juliaf

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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