emilymayzes Posted April 5, 2014 Share Posted April 5, 2014 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% Link to comment Share on other sites More sharing options...
John Cuthber Posted April 5, 2014 Share Posted April 5, 2014 Should this be in the homework help section? Link to comment Share on other sites More sharing options...
elementcollector1 Posted April 7, 2014 Share Posted April 7, 2014 Yes, yes it should. Step 1) Calculate how many moles of reactants and products, using molar masses and stoichiometry. Since molarity is defined as moles per liter, you should be able to work out what to do from here. Link to comment Share on other sites More sharing options...
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