A student is given a mixture of ground glass and salt with a mass of 45.2 g. She mixes it with water and goes through the process if filtering and ends up with 25.6 g of glass. After evaporating the salt solution, she determined that she had 15.3 g of salt. What is her percent error?

african americans demonstrated their newly found freedom by relocating often in search of relatives whom they had been separated from during slavery. others established schools to educate freed people and they built institutions such as churches and political organizations to advocate for their rights.

how important do you think an instrument is to the musician who plays it?

5 structural isomers

the isomers are:

n-exane :   ch3ch2ch2ch2ch2ch3

2-methylpentane :   ch3ch(ch3)ch2ch2ch3

3-methylpentane :   ch3ch2ch(ch3)ch2ch3

2,3-dimethylbutane :   (ch3)2chch(ch3)2

2,2-dimethylbutane :   (ch3)3cch2ch3