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Chemistry, 29.09.2019 06:30 johhnyappleseed2006

Hep me pls 10 points pls

what do the symbols in parenthesis indicate?
cacl2(aq) + 2agno3(aq)) → ca(no3)2(aq) + 2agcl(s)

1 the catalyst used in the reaction

2 the number of atoms of each reactant and product

3 the physical state of each reactant and product

4 the number of units of each reactant and product

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Hep me pls 10 points pls

what do the symbols in parenthesis indicate?
cacl2(aq)...
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