whet a the thesretical density of water at 20.0 \"C? Include units in your answe
ID: 1075289 • Letter: W
Question
whet a the thesretical density of water at 20.0 "C? Include units in your answer A, 20.0 the water to find volume the velurne deivered within calculations mass of water delivered by a 25-ml Class A pipette was 24.8786 g. Using theoretical density inty in the measured mass of the water was negligible, was Post tab Qvestions . 9 233 nvl the theoretical tolerance for this pipette? Explain your answer and show any 97m e to the stated tolerance 3 How does the standard deviation for the average mass of water in part 3 compar for your plpet? (See attached) what explanation can you give for the standard deviation being lars the stated tolerance? can you give for the experimental density of water not being exactly as stated in the table of densities? s. 25.00ml of a monoprotic acid was titrated with 32.44 ml of 0.2578 M sodium hydroxide. What was the molarity of the acid? What sources of experimental uncertainty could be responsible for the % sand in the heterogeneous mixture being 6. a. more than the theoretical % sand? b. Less than the theoretical % sand? E 132 Experiments SP2018 Page 10 of 10Explanation / Answer
Ans 1 :
The theoretical density of water at 20oC is 0.998203 g/mL .
Water does not have an absolute density , as its density changes with the change in temperature. It has maximum density at 4oC , which is 1.00 g/mL
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