An atom in an excited state a. has more energy than it does in the ground state b. has one more electron than it does in the ground state c. is more stable than it is in the ground state d. has less energy than it does in the ground state

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Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams of sodium carbonate, silver nitrate, silver carbonate, and sodium nitrate are present after the reaction is complete?