Chemistry, 23.06.2021 04:00 dayanara72
X cm of 0.15 mol dm^-3zinc nitrate solution, Zn(NO3)2, is pipetted into a 500 cm volumetric flask to produce 500 cm³ of 0.018 mol dm^-3 zinc nitrate solution, Zn(NO3)2 Determine the value of X.
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Chemistry, 22.06.2019 07:30
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
Chemistry, 22.06.2019 23:30
The ammonia molecule in the diagram has the observed bond orientation because
Answers: 1
X cm of 0.15 mol dm^-3zinc nitrate solution, Zn(NO3)2, is pipetted into a 500 cm volumetric flask to...
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