Author Question: How many moles are there in 3.00 g of ethanol, CH3CH2OH? A) 0.00725 mol B) 0.0652 mol C) 15.3 ... (Read 63 times)

karen · **on:** Aug 27, 2018

How many moles are there in 3.00 g of ethanol, CH3CH2OH?

A) 0.00725 mol
B) 0.0652 mol
C) 15.3 mol
D) 138 mol

Question 2

The density of air under ordinary conditions at 25C is 1.19 g/L. How many kilograms of air are in a room that measures 11.0 ft 11.0 ft and has a(n) 10.0 ft ceiling? 1 in. = 2.54 cm (exactly); 1 L = 103 cm3.

A) 3.66
B) 0.152
C) 4.08 104
D) 0.0962
E) 40.8