chemistry

MgCl2(s) → Mg2+(aq) + 2Cl^-(aq)

How many total ions?

2.0 x 10^5 N2O3
How many total atoms?
How many nitrogen atoms and oxygen atoms?

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asked by ana
  1. 1 Mg ion and 2 chloride ions in 1 molecule of MgCl2.

    2E5 what?

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