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Chemistry Help Please! (Percent Yield&Concentration)

emilymayzes
in Homework Help

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Please show and explain the work to figure out these questions :)

 

1. you react 3.50 g of solid sodium metal with water to produce hurdogen gas and sodium hydroxide. if at the end of the reaction there is 6.8 l of solution, what is the concentration of sodium hydroxide?

Answer: 0.022 M NaOH

 

2. an excess of aqueous calcium chloride is reacted with 350 ml of .650 M aqueous sodium carbonate. if 10g of a solid is produced, what is the percent yield

Answer: 43.8%

  • 3 weeks later...

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