Calculating mass percent help

[From: ] [author: ] [Date: 13-03-06] [Hit: ]

Someone please show me how my teacher got that answer. Im really confused.mass percent is like all percents,So 1g/101g x 100 = 0.= 0.0099 = 0.......

A solution is prepared by mixing 1.00g of Ethanol, C2H5OH, with 100g of water. Calculate the mass percent of ethanol in this solution.

My teacher told me the answer is .99%. However, I have no idea how she got that answer. Someone please show me how my teacher got that answer. I'm really confused.

-

The total mass is 100+1 = 101

mass percent is like all percents, part/wholex100

So 1g/101g x 100 = 0.99%

-

1 gram ethanol / (101 grams total solution

= 0.0099 = 0.99%

1

keywords: help,mass,Calculating,percent,Calculating mass percent help

New

Hot