Chemistry, 24.11.2020 18:40 aislamgomes22
The student let the water bath boil away, so the water level was much lower during the last determination. A large part of the flask was out of the water, and the upper part of the flask was noticeably cooler than the lower part. What effect would this error have on the calculated density and molar mass?
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Abeaker with 2.00Γ102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.
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The student let the water bath boil away, so the water level was much lower during the last determin...
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