Chemistry, 30.05.2021 21:20 Greekfreak
Water is added to 215 mL of a 2.1 M solution of CaCl2 to increase the volume of the solution to 350. mL. What is the new concentration?
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Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh
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The scheme below is from a series of reactions that are part of a synthesis of vitamin a. answer the following questions with reference to this scheme. (i) what is "reagent a"? (ii) draw a step-by-step mechanism which explains the formation of compound c from compound b (iii) which reagents would you use to form compound e from compounds c and d (reagents b and c)? for each reagent suggested above in (ii) explain the role of the reagent in the reaction to (iv) form compound e. you may wish to do this by drawing a mechanism. 1. addition of reagent a но reagent a 2. н,о" thо oh нон-с compound a. compound b. compound c .ch-оh 1. reagent b "сно 2. reagent c сh oh compound e. compound d.
Answers: 2
Water is added to 215 mL of a 2.1 M solution of CaCl2 to increase the volume of the solution to 350....
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