Which substance is the reducing agent in this reaction? 2kmno4+3na2so3+h2o→2mno2+3na2so4+2k oh

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?

Which of the following contributes to the structural rigidity of cellulose? adjacent glucose polymers are stabilized by hydrogen bonding. glucose residues are joined by (α1→4) linkages. cellulose is a highly branched molecule. the conformation of the glucose polymer is a coiled structure.

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?