Which of the following describes the correct procedure to prepare 1.50 L of 1.00 M KMnO4 (aq)? (The molar mass of KMnO4 is 158 g/mol.)
Choose 1
Dissolve 158 g of KMnO4(s) in a small amount of distilled water and dilute to 1.50 L.
Dissolve 237 g of KMnO4(s) in a small amount of distilled water and dilute to 1.50 L.
Add 158 g of KMnO4(s) to 1.50 L of distilled water.
D
Add 237 g of KMnO4(s) to 1.50 L of distilled water.

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.

An excess of lithium oxide undergoes a synthesis reaction with water to produce lithium hydroxide li2o+h2o→2lioh if 1.05 g of water reacted, what is the theoretical yield of lithium hydroxide? a) 5.83 x 10–2 g lioh b) 1.17 x 10–1 g lioh c) 2.79 x 100 g lioh d) 1.40 x 100 g lioh

What are the constituent metals of stainless steel?