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Answer to Question #151071 in General Chemistry for Skye Bembridge

Question #151071
If 123.0 g of sodium reacts with water in a single replacement reaction, how many grams of hydrogen gas are produced?
1
Expert's answer
2020-12-14T14:49:58-0500

2Na + 2H2O --> 2NaOH + H2;

m(H2)=m(Na) * Mr(H2)/(2*Mr(Na))=123*2/46= 5.35 g

Answer: 5.35 g of hydrogen is produced


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