Results Sample # Weight of cup (g) Weight of sample + cup Weight of sample (g) (g) 1 2 3 [HCl]= Weight of Volume of Moles of Moles of of % Na2CO3 sample (g) HCl (mL) HCl carbonate Na2CO3 in sample What is the average % sodium carbonate in your unknown sample? What is the standard deviation of your results? Were your results precise? Explain. Student Name________________________________________________
Results Sample # Weight of cup (g) Weight of sample + cup (g) Weight of sample (g) 1 2 3 [HCl]= Weight of sample (g) Volume of HCl (mL) Moles of HCl Moles of carbonate of Na2CO3 % Na2CO3 in sample What is the average % sodium carbonate in your unknown sample? What is the standard deviation of your results? Were your results precise? Explain. Student Name________________________________________________
x-carbonatetitration.docx