Db33
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what does 2N HCL mean?
i have an outline for a procedure, but instead of saying a certain amount i just says add 2N HCL.... assuming im using 31.45% Hydrochloric acid, how
much is this? Can it be calculated?
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DraconicAcid
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2 N is 2 mol/L. That's a concentration, not a quantity.
Please remember: "Filtrate" is not a verb.
Write up your lab reports the way your instructor wants them, not the way your ex-instructor wants them.
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A Halogenated Substance
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The "N" part is based upon how many specific ions are released into solution.
For example, if you're focusing on the H3O+ ion, a 2N HCl means that there are 2 moles of HCl in solution to release 2 moles of H+
A 2N H2SO4 solution would have a mole of H2SO4 molecules releasing 2 moles of H+ ions as
H2SO4 has two hydrogen atoms attached to it when not dissolved in water.
Sorry if this doesn't clarify much.
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Deathunter88
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Look up "equivalent concentration". Here is wikipedia to get you started. https://en.wikipedia.org/wiki/Equivalent_concentration
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DraconicAcid
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Quote: Originally posted by A Halogenated Substance  | The "N" part is based upon how many specific ions are released into solution.
For example, if you're focusing on the H3O+ ion, a 2N HCl means that there are 2 moles of HCl in solution to release 2 moles of H+
A 2N H2SO4 solution would have a mole of H2SO4 molecules releasing 2 moles of H+ ions as
H2SO4 has two hydrogen atoms attached to it when not dissolved in water.
Sorry if this doesn't clarify much. |
No, it's not 2 moles, but 2 moles PER LITRE. it's a concentration, not a quantity.
Please remember: "Filtrate" is not a verb.
Write up your lab reports the way your instructor wants them, not the way your ex-instructor wants them.
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Db33
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so is there anyway to figure out how much is needed for a particular reaction if it just says 2N ?
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DraconicAcid
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Can you post the outline?
Please remember: "Filtrate" is not a verb.
Write up your lab reports the way your instructor wants them, not the way your ex-instructor wants them.
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Betta
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| Quote: Originally posted by Db33 | | so is there anyway to figure out how much is needed for a particular reaction if it just says 2N ? |
It is a monoprotic acid, so there can't be a difference. You would have to look for the specific reaction if it were sulfuric acid or phosphoric acid.
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