2007-12-11 00:35:20 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry
acetic acid as a density o1.049. so 1 l of acetic acid has a mass of1049g
a mole of actic acid
H CH3CO2 has a mass of 2*12+2*32+4=60
so 1049/60 =17.48
the molar concentration is 17.48 M
2007-12-11 00:44:12 · answer #1 · answered by maussy 7 · 0⤊ 0⤋
Acetic Acid Concentration
2016-12-28 04:17:02 · answer #2 · answered by ? 4 · 0⤊ 0⤋
Concentrated Acetic Acid
2016-11-15 00:17:40 · answer #3 · answered by ? 4 · 0⤊ 0⤋
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RE:
What is the molar concentration of concentrated acetic acid?
2015-08-13 03:17:40 · answer #4 · answered by Anonymous · 0⤊ 0⤋
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"Acid Concentration" is well defined. It means: how many acid molecules per unit volume in the liquid. Or more particularly, how many H+ ions are donated by the molecules in a unit volume. That because some acid molecules have 2 or 3 H+ ion to donate. Acid Strength can mean a couple of different things. a) Is that species of molecule strongly acidic? When comparing acid A to acid B, which one donates its H+ ion more easily. HCl in water becomes H+ and Cl- right away, so the H+ is just wandering around in that water, looking for some damage to do. So we say "HCl is a strong acid". We also say the Acetic Acid in vinegar is a weaker acid. Its molecules H(C2O2H3) try to keep their H's until somebody wants it more than they do. The H+ concentration is less, so the acid does less "damage" or reacting with things. b) Is that solution strongly acidic? A solution is a bucket of water with some concentration of chemicals dissolved in it. A strongly acidic solution must have a high instantaneous concentration of free H+ ions, regardless of the concentration of other chemicals. A concentrated solution of a weak acid molecule is still a weakly acidic solution. There are two independent measures of acidity: - concentration of the supposedly acidic molecule, even if it's keeping 99.9% of it's H+'s to itself. - concentration of free H+ ions. The "-log(base10)" of this concentration is called "pH". pH 4 means 10^-4 molar [H+], which is a weak acid solution pH 1 means 0.1 molar [H+], which is a fairly strong acid solution. You need to pin down both to understand the solution well. A pH 4 weak acid solution could be - a concentrated solution of a weak acid, - or a 10,000 times diluted solution of a strong acid molecule. A strong acid solution with pH=0 can only be a concentrated solution of a strongly acidic molecule.
2016-04-02 06:37:06 · answer #5 · answered by Anonymous · 0⤊ 0⤋
Acetic acid 99.5% concentrated reagent has a molarity (molar concentration) of 17.4 M. Here's a link to the table.
http://www.erowid.org/archive/rhodium/chemistry/equipment/molarity.html
2007-12-11 00:43:32 · answer #6 · answered by -B- - 2 · 0⤊ 0⤋
Concentration of an acid is measured in terms of molarity ie moles/litre while Strength is measured in grams/litre. They are entirely different. Molarity=Strength/Molecular Mass
2016-03-17 03:00:13 · answer #7 · answered by Anonymous · 0⤊ 0⤋
The density is 1.049 g/ml, so 1 liter weighs 1049 g. The molecular weight is 60.05 g/mol, to there are 17.5 moles in a liter... i.e. it's 17.5 M.
2007-12-11 00:42:22 · answer #8 · answered by Anonymous · 0⤊ 0⤋