2. For each of the following chemical equations, write all possible mole ratios:
a. 2Ca+O2---->2CaO
b.Mg+ 2HF ----> MgF2+H2
2007-03-22 15:46:53 · 2 answers · asked by whisp3r G 1 in Science & Mathematics ➔ Chemistry
Take each substance in turn, and look at each other substance one at a time, using the numbers in front of each chemical.
Ca: O2 2:1
Ca: CaO 2:2 = 1:1
and so on. Then go backwards.
O2: Ca 1:2 etc.
There are six for the first equation and 12 for the second.
2007-03-22 20:38:49 · answer #1 · answered by Gervald F 7 · 0⤊ 0⤋
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2016-12-15 06:48:49 · answer #2 · answered by goslin 4 · 0⤊ 0⤋