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Author Question: How many moles of KF are contained in 347 g of water in a 0.175 mol kg-1 KF solution? (Read 56 times)

appyboo

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Question 1

What mass (in g) of NH3 must be dissolved in 475 g of methanol to make a 0.250 mol kg-1 solution?
◦ 2.02 g
◦ 1.19 g
◦ 1.90 g
◦ 4.94 g
◦ 8.42 g

Question 2

How many moles of KF are contained in 347 g of water in a 0.175 mol kg-1 KF solution?
◦ 5.04 × 10-2 mol KF
◦ 1.65 × 10-2 mol KF
◦ 1.98 × 10-2 mol KF
◦ 3.22 × 10-2 mol KF
◦ 6.07 × 10-2 mol KF


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Marked as best answer by appyboo on Nov 18, 2019

babybsemail

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appyboo

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Reply 2 on: Nov 18, 2019
:D TYSM


ryhom

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

 

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