Chemistry, 20.04.2021 16:00 jackie36390
5. Replicate water samples are analyzed for water hardness with the following results:
102.2, 102.8, 103.1 and 102.5ppm CaCO3. Calculate:-
(a) The standard deviation
(b) The relative standard deviation
(c) The standard deviation of the mean
(d) The relative standard deviation of the mean.
Answers: 1
Chemistry, 21.06.2019 23:00
When determining the shape of a molecule, it is important to draw a lewis dot structure first in order to see the total number a. electrons within the moleculeb. bonding and unshared pairs around central atomc. unshared pair within the molecule( i really need it )
Answers: 1
Chemistry, 22.06.2019 12:40
Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid
Answers: 1
5. Replicate water samples are analyzed for water hardness with the following results:
102.2, 102....
Computers and Technology, 22.02.2021 18:40
Biology, 22.02.2021 18:40
Biology, 22.02.2021 18:40
Biology, 22.02.2021 18:40
Mathematics, 22.02.2021 18:40
Geography, 22.02.2021 18:40
Computers and Technology, 22.02.2021 18:40
Computers and Technology, 22.02.2021 18:40