Also for 27.1g of ntrogen monoxide. The questions come from introduction to chemistry 2nd edition by nivaldo j tro. I know the answers are .945 and .903 moles, but I want to know how to set up the equation.
2007-10-27 09:39:57 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry
Atomic weights: Na=23 Cl=35.5 NaCl=58.5
55.2gNaCl x 1molNaCl/58.5gNaCl = 0.944 moles NaCl
So now you know how to set up the next.
2007-10-27 09:54:29 · answer #1 · answered by steve_geo1 7 · 0⤊ 0⤋
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2016-05-17 17:02:16 · answer #2 · answered by ? 4 · 0⤊ 0⤋
Moles = grams / Molar Mass
NaCl has a molar mass of 22.99 + 35.45 = 58.44 g/mole
Moles = 55.2 g / 58.44 g per mole = 0.945
2007-10-27 09:56:08 · answer #3 · answered by skipper 7 · 0⤊ 0⤋