[Answered] Calculate the mole fraction of HCl in a 7.20 (by mass) aqueous solution. A) 0.0369 B) 0.0383 C) ...

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Author Question: Calculate the mole fraction of HCl in a 7.20 (by mass) aqueous solution. A) 0.0369 B) 0.0383 C) ... (Read 159 times)

notis

Hero Member
Posts: 596

on: Aug 27, 2018

Calculate the mole fraction of HCl in a 7.20 (by mass) aqueous solution.

A) 0.0369
B) 0.0383
C) 0.0739
D) 0.0185
E) The density of the solution is needed to solve the problem.

Question 2

The one element present in every organic compound is

A. hydrogen.
B. oxygen.
C. carbon.
D. nitrogen.

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lou

Sr. Member
Posts: 286

Reply #1 on: Aug 27, 2018

Answer to Question 1

A

Answer to Question 2

C

notis

Member
Posts: 596

Reply 2 on: Aug 27, 2018

Excellent

olderstudent

Member
Posts: 339

Reply 3 on: Yesterday

Thanks for the timely response, appreciate it

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