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Saturday, May 25, 2019

Chem pre lab

If you have entered any of your lab data Incorrectly, please use the link at a lower place to send a request directly to your TA and Instructors email Inbox which Is monitored during normal school hours. Reset Data Request Tannest, your calculation is correctly You have non completed your assignment. Double check that you have completed EVERY question or essay. Click Here for next problem. What are the hazards associated with sodium hydroxide (Noah) resultant? Sodium hydroxide is toxic and corrosive burns and skin irritation can occur AAA. What burette reading should your record when the liquid level is as shown in Figurer? 3. 5 3. 44 0. 25 0. 5 there will be a color change 3. A student tranquil the following data in the laboratory Mass flask (g) 52. 86 Mass flask and sample (g) 53. 46Concentration of Noah solution (M) 0. 109 Initial burette reading (ml) net burette reading (ml) 23. 75 a. What is the mass, in grams, of the sample (g) 0. 6 b. What volume, in liters, of Noah solut ion was used in the titration (L) 0. 101 0. 02328 0. 02322 0. 1 c. How many moles of Noah were used in the titration (moles) d. How many moles of ascorbic acid were neutralized (moles) e. How many grams of ascorbic acid is this (g) f. What is the mass percent ascorbic acid in the sample (%)

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