Fill in the blanks. choices are (for the first box): reactants or products (second box): right or left.

What is the ph of a solution with a 1.50 × 10−9 m hydroxide ion concentration?

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion

In france, grapes are 1.95 euros per kilogram. what is the cost of grapes, in dollars per pound, if the exchange rate is 1.14 dollars/euro? (2.6)