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Can anyone give me this...if u dont mind spending 13 seconds on me :)?
OK....I HAVE A SCIENCE PROJECT DUE....AND I HAVE TO FIND RESEACH....10 PAGES....MY QUESTION IS-----> WHICH DISOLVES BETTER IN WATER....SALT OR BAKING SODA? AND I JUST NEED THE REASERCH...CAN YOU GIVE ME A GOOD WESITE AND GOOD INFORMATION PLEASE.....ILL GIVE YOU THE FAVOR IN RETURN ALSO :]

2007-01-21 11:33:50 · 6 answers · asked by michelle =] 1 in Education & Reference Homework Help

6 answers

Here is a good site but I don't think you will get 10 pages out of it....sorry

http://www.madsci.org/posts/archives/mar98/891095448.Ot.r.html

2007-01-21 11:42:27 · answer #1 · answered by puppy2adopt 3 · 0 0

baking soda disolves better in water than salt.

2007-01-21 19:43:11 · answer #2 · answered by fancy_caramel 1 · 0 0

According to general solubility rules, you can predict that all
alkali metal compounds are soluble in water (see any general chemistry text
for a list of general solubility rules). This means that compounds
containing lithium (Li), sodium (Na), potassium (K), rubidium (Rb) and
cesium (Cs) are soluble in water. Salt (sodium chloride aka NaCl) and
baking soda (aka sodium bicarbonate aka NaHCO3) both fall into this
category, and should dissolve in water.

Now, take some water and try to dissolve some measured quantity of each
substance in it. According to the 74th edition of the CRC Handbook of
Chemistry and Physics, at zero degrees centigrade (ice water), you can
dissolve 6.9 grams of sodium bicarbonate in 100 mL of water (about 2/7 of
the volume in a can of soda), but 35.7 grams of salt should dissolve in the
same (separate) container of water. At 100 degrees centigrade (the
boiling point of water at sea level...the boiling point of water drops a
few degrees if you are at a high elevation like in Salt Lake City...approx
4500 feet above sea level), 39.1 grams of sodium chloride dissolve in 100
mL of water, so between these two temperatures, the solubility of salt in
water isn't changing very much. At 60 degrees centigrade, only 16.4 grams
of sodium bicarbonate dissolves in 100 mL of water. It would appear that
salt is MORE soluble than baking soda over these temperatures.

I'd guess that the salt is more soluble than baking soda because water is
polar (the oxygen part of water can be thought of as being more negatively
charged than the hydrogen parts) and salt is more polar than sodium
bicarbonate. You might have heard the saying "like dissolves like"...very
polar things dissolve best in very polar liquids.


Here are some websites that might help in your research:

http://www.sciencebyjones.com/solubility_of_unknown_salt.htm

http://www.newton.dep.anl.gov/askasci/chem00/chem00596.htm

http://www.selah.k12.wa.us/SOAR/SciProj2004/JonathanN.html

http://www.baking911.com/howto/how_baking_works.htm

2007-01-21 19:44:10 · answer #3 · answered by angihorn2006 4 · 1 0

I would guess salt.

Just take two jars of water, stick in three tablespoons of salt in one, three tablespoons of baking soda in the other. See what happens...

2007-01-21 19:36:52 · answer #4 · answered by Briar 4 · 1 1

i don't think salt disolves. i bet on baking soda

2007-01-21 19:41:23 · answer #5 · answered by Anonymous · 1 1

i would guess baking soda

2007-01-21 19:57:26 · answer #6 · answered by ♥~Jeff Hardy's babe~♥ 3 · 0 0

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