The pKa of a certain weak acid is 5.0. Calculate the ratio of proton acceptor to proton donor at pH 7.0. A) 1000:1
B) 20:1
C) 100:1
D) 40:1

Which is true of the reactants in this displacement reaction? fe + 2hcl fecl2 + h2 a. the reactants are located to the left of the arrow in the chemical equation. b. the reactants contain 1 iron atom, 2 hydrogen atoms, and 1 chlorine atom. c. the reactants are the atoms, molecules, or compounds formed in the reaction. d. the reactants have the same physical and chemical properties as the products.

  the mississippians were considered to be  horticulturalists, which means they were

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?