E polyatomic carbonate ion (CO32−) is present in both the products and the reactants of the chemical equation shown below.

Na2CO3 + SrCl2 → SrCO3 + 2NaCl

Which statement best describes the mass of carbonate (CO32−) in the products and the reactants of the equation?
A.
The mass in the products is equal to the mass in the reactants.
B.
The mass in the products is two times as great as the mass in the reactants.
C.
The mass in the reactants is less than the mass in the products.
D.
The mass in the reactants is two times as great as the mass in the products.

How are elements arranged in a periodic table

Calculate the ratio of h+ ions to oh– ions at a ph = 7. find the concentration of h+ ions to oh– ions listed in table b of your student guide. then divide the h+ concentration by the oh– concentration. record this calculated ratio in table a of your student guide. compare your approximated and calculated ratios of h+ ions to oh– ions at a ph = 7. are they the same? why or why not? record your comparison in table a. what is the concentration of h+ ions at a ph = 7? mol/l what is the concentration of oh– ions at a ph = 7? mol/l what is the ratio of h+ ions to oh– ions at a ph = 7? : 1

Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.