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TechnoratiSodium Hydroxide
Submitted by Anonymous on 29 September 2004 - 8:27am.
Dear everyone,
I did my chemistry homework and put in Sodium Hydroxide for 'a colourless liquid which is missible in water'. However my teacher told me that it is wrong. She said it should be 'sodium hydroxide solution'. Is that because pure sodium hydroxide can't be made or sodium hydroxide is a solid (or gas) in fact?
Thanks!
Deryck
yeah, sodium hydroxide is a white caustic powdery stuff I think?
it doesn't make much sense to say that an acqueous solution is miscible in water though!
That's like saying cheese is made of cheese. shock
Ah, then I know. My teacher told me that sodium hydroxide is equal to caustic soda. The problem saying cheese is made out of cheese is another problem.
what I mean is,
obviously acqueous solutions are "Miscible" in water,
because they already ARE water (with some solute dissolved in them).
It doesn't make sense to ask if something is miscible with itself!
Miscibility is something that happens between two *different* solvents.
My teacher is female and cannot easily understand these kind of logical stuff.