A250-ml aqueous solution contains 1.56 mc025-1.jpg 10–5 g of methanol and has a density of 1.03 g/ml. what is the concentration in ppm?
a 6.1 x 10^-8 ppm
b 1.5 x 1-^-5 ppm
c 0.061 ppm
d 15 ppm

Consider the elements bromine and chlorine; which elements has a larger ionic radius ?

Will give ! what are the advantages and disadvantages of nuclear power? check all that apply. one advantage of nuclear energy is that it does not produce carbon dioxide emissions. storage of nuclear waste is a short-term problem associated with nuclear energy. the problem with uranium mining is that a large quantity of uranium must be extracted to meet energy needs because the energy release from uranium fission is so low. safe operation of a nuclear power plant can be jeopardized by a human mistake.

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.