Chemistry, 31.10.2019 06:31 charlotte67
The slightly soluble ionic compound pbf2 has a solubility in water of 0.74 g/l. what is the numerical value of ksp for pbf2?
Answers: 3
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Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.
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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 16:00
About 3% of the water on earth is freshest. only about 40% of that freshwater is available for human use. why is so much freshwater unavailable for human use?
Answers: 2
The slightly soluble ionic compound pbf2 has a solubility in water of 0.74 g/l. what is the numerica...
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