A chemist prepares a solution c/ sodium hyposullate (Na, S, O,) by measuring out 128. umol of sodium hyposulfate into a 250. mL volumetric Mask and filing the fask to the mark with water. Calculate the concentration in mol/L of the chemist's sodium hyposulfate solution. Round your answer to 3 significant digits.

Smog is the term used to describe the combination of fog and smoke

What is the main purpose of patent attorneys? defend the company against legal claims manage financial investments invent new products protect rights to new products and processes

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.