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Topic: Chem Help! (Read 2556 times)
esum0209
Newbie
Posts: 17
Reputation: 4
Chem Help!
«
on:
June 06, 2010, 12:39:28 pm »
How do u do this???
What amount of solute ions, in moles, is present in 50cm
3
of 0.10moldm
3
sodium hydroxide solution?
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united2win
Newbie
Posts: 6
Reputation: 22
Re: Chem Help!
«
Reply #1 on:
August 19, 2010, 04:27:15 pm »
ok m8 dead easy....
In simple the question is asking you to calculate the number of moles present in 50cm³ of 0.10dm³ solution of sodium Hydorxide
so you must be familiar with the pyramid Moles = conc x vol (dm³)
therfore moles = 0.1 x (50)/(1000)
= 0.005 Moles
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