Which volume of 4.00 x 10-2 mol/L solution of barium nitrate, Ba(NO3)2(aq), contains
2.00 x 10-2 mol of nitrate ions?

What’s the scientific notation for the number 6,840,000,000

What approach is required to balance the objectives of sustainable development? balancing the objectives of sustainable development requires a(n) .

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.