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zakaria19
May 11, 2012, 12:17 PM
You have been provided with a solution made of 3 components

What will be the sum of their mole fraction justify your ans

zakaria19
May 11, 2012, 12:18 PM
You have been provided with a solution made of 3 components

What will be the sum of their mole fraction justify your ans

zakaria19
May 11, 2012, 12:19 PM
a compound have 78.2%boron 21.8%hydrogen

molar mass=27.6g/mol what is the molecular formula of compond

zakaria19
May 11, 2012, 12:20 PM
calculate the molality of 93%H2SO4 solution

density=1.84g/ml

zakaria19
May 11, 2012, 12:20 PM
Account for following

1 the first ionization enthalpy of C is greater than B but second is reverse

2 PbCl4is less stable than SnCl4 but PbCl2 is more stable than SnCl2

3 gallium has higher ionization enthlapy than Al

Compare trends of group 13 .14

Curlyben
May 11, 2012, 12:49 PM
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