Achemist prepares a solution of mercury(ii) iodide hgi2 by measuring out 0.0067μmol of mercury(ii) iodide into a 350.ml volumetric flask and filling the flask to the mark with water. calculate the concentration in /μmoll of the chemist's mercury(ii) iodide solution. round your answer to 2 significant digits.

Iwill give extra points to who gets this right

The tilt of the earth's axis of rotation is responsible for the a) ocean's tides. b) size of the moon. c) brightness of stars. d) earth’s seasons.

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.