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Which number belongs in the blank in order for this to be a balanced equation?

Na2CO3 + CaCI2 --- __NaCI + CaCO3

2

3

-1

1

0

2007-08-23 07:19:18 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

2 answers

2 - you need 2 sodium and 2 chlorine atoms

2007-08-23 07:28:27 · answer #1 · answered by BUddy1017 2 · 0⤊ 0⤋

2

2007-08-23 14:23:41 · answer #2 · answered by Gervald F 7 · 2⤊ 0⤋

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