Chemistry, 02.10.2019 16:40 shaffergabe10
3. ifthe50.00mlsamplefromproblem2above wastitratedwitha0.00505medta, what volume (in milliliters) of edta solution would be needed to reach the endpoint? 4. experimental trials. based on the six trials, the group determines that the average concentration of the standard is 70.5 ppm with a standard deviation of 0.8 ppm. using the equation for the studentâs t confidence interval found on page 41 of your lab manual and the t-value for a 95% confidence interval (refer to table on page 41), calculate the confidence interval for which there is a 95% chance of finding the âtrue valueâ of the standard solutionâs concentration based on the data. put your answer in the format # lower limit < âtrue valueâ < # upper limit.
Answers: 1
Chemistry, 21.06.2019 22:30
Agas at 155 kpa and standard temperature has an initial volume of 1.00 l. the pressure of the gas rises to 500 kpa as the temperature also rises to 135°c. what is the new volume? 2.16 l 0.463 l 0.207 l 4.82 l
Answers: 3
Chemistry, 22.06.2019 03:00
Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture
Answers: 1
Chemistry, 22.06.2019 12:30
When a scientific theory has been tested and proved by the scientific community, it becomes a law
Answers: 2
3. ifthe50.00mlsamplefromproblem2above wastitratedwitha0.00505medta, what volume (in milliliters) of...
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