Astudent is instructed to make 0.250 liter of a 0.200 m aqueous solution of ca(no3)2. what is a correct numerical setup for calculating the total number of moles of ca(no3)2 needed to make 0.250 liter of the 0.200 m calcium nitrate solution?

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?

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.

When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?