H3CO₂S ܘܟܐ Ph CH₂OH 2 H₂CO₂S Ph HOH₂C OŃ OH HO

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Q: НО 3. PhMgBr (ex) 4. HCI, H2O НО НО Ph Ph

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A: pH of solution is given by            -------------------------------

Q: CI هنده НО MgBr (2 eq) Et₂0 2. dilute HCI / H₂O -MgBr (1 eq) Et₂0 1. PhMgBr, Et₂0 2. HCI, H₂O

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.