The acidity or alkalinity (basicity ) of an unknown aqueous solution is indicated by its

a. ph value
b. electronegativity value
c. percent by mass concentration
d. percent by valume concentrion

me which answer ?

Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.