A sample of strontium bromide has 2.81x10^19 atoms of bromine. How many mg of strontium bromide do you have? Give your answer with the correct number or significant figures.

2-bromo-2-methylbutane undergoes an e1 elimination reaction in the presence of ethanol. in the next reaction only one of the possible products is represented. although the product shown is not the major product of the reaction, notice that there is more than one way it can be produced. complete the mechanism and draw the missing substances.