The answer would be .5 mols because you take the total amount of grams, which is 20, and you had up the molar mass of sodium hydroxide, which would be 40. After you have this you would set this up as a stochiometry equation. With 1 mol on top you dived 20/40 to cancel out your grams. This leaves you with .5 mols
Answer:
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12 grams
The mass of one mole of carbon-12 atoms is 12 grams.
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Explanation:
The answer is A i think if it’s wrong someone correct me
The answer is correct orientation and sufficient energy. Answer choice D
3 to balance the calciums on both sides of the equation, but only if that balances the Cl on both sides of the equation to because you now have 6 Cl and 3Ca