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Science Clinic => Chemistry => Topic started by: MirandaLo on Nov 18, 2019

Title: What mass of ethane (CH3CH3) is contained in 50.0 mL of a 13.9% by mass solution of ethane in ...
Post by: MirandaLo on Nov 18, 2019

Question 1

A 4.55 L sample of water contains 0.115 g of sodium ions. Determine the concentration of sodium ions in ppm if the density of the solution is 1.00 g mL-1.
◦ 36.5 ppm
◦ 12.7 ppm
◦ 13.2 ppm
◦ 25.3 ppm
◦ 52.3 ppm

Question 2

What mass of ethane (CH3CH3) is contained in 50.0 mL of a 13.9% by mass solution of ethane in hexane? The density of the solution is 0.611 g mL-1.
◦ 8.49 g
◦ 4.25 g
◦ 11.8 g
◦ 6.95 g
◦ 2.35 g

Title: What mass of ethane (CH3CH3) is contained in 50.0 mL of a 13.9% by mass solution of ethane in ...
Post by: Bison on Nov 18, 2019

Answer 1

25.3 ppm

Answer 2

4.25 g

Title: Re: What mass of ethane (CH3CH3) is contained in 50.0 mL of a 13.9% by mass solution of ethane in ..
Post by: Anthony Grossman on Mar 14, 2021

Thank You