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Q. Describe Molarity and Molality and what is the basic diffrence between Molarity and Molality?
The concentration of a solution is usually expressed as molarity (i.e., M). The higher the molarity of a solution, the more concentrated the solution. For example, a 3 M NaCl solution is more concentrated than a 0.1 M NaCl solution.
Sometimes molality is used to measure concentration. Molality (abbreviated m) is the number of moles of solute dissolved in 1000 grams of solvent.
is relation a=2r+ + 2r- correct for bcc
Distinguishing among enantiomers requires a technique that has a chiral attribute. (a) Boiling point does not distinguish among two enantiomers. (b) Optical rotation does ha
application
Why does methyl ethanoate not give iodoform test while ethyl ethanoate does? Ans) Iodoform test for esters is the test given by its products on hydrolysis methyl ethanoate give
Synthesis of glutaraldehyde
Q. Determine the frequency of light wave? Ans. The wavelength of red light is 7.0 x 10 -7 m. What is the frequency? c = λv The first thing to remember here is that
Q. What is Electronic Isomerism? Electronic Isomerism: The complex {Co (NH 3 )sNO]Cl 2 exists in two forms. One is black paramagnetic while the other is pink and diamagnetic
Why do Zr and Hf show similar properties?
effect on human body.
PHOTO CHEMICAL COMBINATION OF HYDROGEN&IODINE
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