How does the mass of an electron compare to a proton ane neutrons?

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles

Give the set of reactants (including an alkyl halide and a nucleophile) that could be used to synthesize the following ether: draw the molecules on the canvas by choosing buttons from the tools (for bonds and charges), atoms, and templates toolbars, including charges where needed. ch3ch2och2ch2chch3 | ch3

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest