It takes 25 mL of 0.75 M NaOH solution to completely neutralize 155 mL of a sulfuric acid solution (H2SO4). What is the concentration of the H2SO4 solution? (There is 2 acid to 1 base)

Don't forget significant figures, do not write a unit.

0.2348 grams of pbcl2 used to form 44.0 ml of solution.

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years