Thursday
October 30, 2014

Posts by SAMMMMMM


Total # Posts: 4

CHEM
How many significant figures does 79,500 have?
September 26, 2010

CHEM
Magnesium has an average atomic mass of 24.3068 amu and has three isotopes: 24Mg(23.985045 amu), 25 Mg (24.985839 amu) and 26 Mg(25.982595 amu) The 26 Mg isotope has an abundance of 11.1%. what are the abundances of the other two isotopes. Please show work
September 24, 2010

Chem
thank u !!
September 24, 2010

Chem
The solubility of Cu(NO3)2 is 6.83 grams per 100 grams of water (d= 0.9982 g/ml) How many grams of Cu(NO3)2 will dissolve in 175 ml of water?
September 24, 2010

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