How many grams of sodium hydroxide are needed to make 2 L of a 0.5 N solcution?

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How many grams of sodium hydroxide are needed to make 2 L of a 0.5 N solcution?

i have been having real trouble with this and i have test upcoming. I know the molecular weight of sodium hydroxide is 40 amu but I'm just lost on how to do it. Can someone show me how to do it with detailed work? I'd love that!

2007-03-21 07:41:02 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

3 answers

Molarity= moles of solute / liters of solution.
0.5 M = x/2L
x= 1 mol
1 mol of sodium hydroxide equals 40 grams.

2007-03-21 07:57:19 · answer #1 · answered by Anonymous · 0⤊ 0⤋

40 g or 1 mol of NaOH in 2L of water.

2007-03-21 07:56:33 · answer #2 · answered by ag_iitkgp 7 · 0⤊ 0⤋

good luck

2007-03-21 07:48:47 · answer #3 · answered by bsr8129 1 · 0⤊ 0⤋