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11 Nov 2019
Answer the questions on a separate sheet of paper bearing your name and date. Zn : 654; C 35.5; Na : 23.0; O = 16.0; H = 1.0,C 12.0 amu L Zinc metal reacts with HCKaq) as follows: How many grams of ZnCl, can be obtained using a 5.00 g of zinc metal? Ans.: 2. A student prepared Na,CO, by bubbling CO, through an aqueous solution of NaOH: 2NaOH(aq) + CO2(g)-NaC0,(aq) + H,O(I) If 15.0 g of NaOH was used, what mass of Na,CO, is expected? Ans.: 3. Consider Q.3 above. If the student obtained 15.5 g of Narco, what is the % yield? Ans.:
Answer the questions on a separate sheet of paper bearing your name and date. Zn : 654; C 35.5; Na : 23.0; O = 16.0; H = 1.0,C 12.0 amu L Zinc metal reacts with HCKaq) as follows: How many grams of ZnCl, can be obtained using a 5.00 g of zinc metal? Ans.: 2. A student prepared Na,CO, by bubbling CO, through an aqueous solution of NaOH: 2NaOH(aq) + CO2(g)-NaC0,(aq) + H,O(I) If 15.0 g of NaOH was used, what mass of Na,CO, is expected? Ans.: 3. Consider Q.3 above. If the student obtained 15.5 g of Narco, what is the % yield? Ans.:
Lelia LubowitzLv2
9 Jan 2019