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1. An organic molecule is 40.9% C, 4.6% H, and the rest O . A) what...

1. An organic molecule is 40.9% C, 4.6% H, and the rest O .
A) what is the empirical formula?
B) if the molar mass is 88.07 g/mol, what is the molecular formula?

2. The density of a 20.0% by mass aqueous solution of ethylene glycol (C2H6O2) is 1.03 g/mL.

A) If you had 100g of the solution, how many grams of ethylene glycol would you have?

B) How many moles of ethylene glycol would you have?

C)How many liters of solution?

D)Determine the molarity of ethylene glycol.

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Answer #1

Note1) In part molarity comes 3.316510 which is rounded to two decimal places.

2) Feel free to comment if any further doubts.

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