2007-01-26 04:54:22 · 5 answers · asked by smile 1 in Science & Mathematics ➔ Chemistry
multiple 18ml by the density of HCl per ml to get grams then divide grams by the molar mass of HCl which is 36.5g/mol
2007-01-26 04:58:14 · answer #1 · answered by Maria 2 · 0⤊ 0⤋
HCl is a gas at room temperature, so unless you also give the pressure and temp (or density), it's impossible to determine.
I'm assuming you really mean an HCl solution. In that case, you need to say what the concentration is.
Most lab HCl is a standard 12 Molar solution.
This yeilds 12 moles of HCl per liter. You can do the math from here.
2007-01-26 13:46:39 · answer #2 · answered by Radagast97 6 · 0⤊ 0⤋
Ok. 18 ml is equal to 18 cm3. Convert 18 cm3 to dm3 by dividing 18cm3 by 1000 which is equal to 0.018 dm3.Use the formula Moles=Concentration/Volume, hope you know the concentration of HCl, divide it by 0.018 dm3, and voila! You have the moles.
2007-01-26 13:19:56 · answer #3 · answered by Nims 1 · 0⤊ 0⤋
ugh, you're hurting my brain. Isn't it a division problem? Sorry, can;t remember the formula.
2007-01-26 12:58:14 · answer #4 · answered by pknutson_sws 5 · 0⤊ 0⤋
first, you must now the molarity of HCl
then you must multiply 0.018 with the molarity
so answer = 0.018 * molarity
2007-01-26 13:00:20 · answer #5 · answered by ensar 1 · 0⤊ 0⤋