By the additions of water, 75.0 mL of 6.0 M H2SO4 is diluted to 150.0 mL. What is the concentration of H2SO4 after dilution? A
1.5M

B
3.0M

C
4.8M

D
6.0M

Find the protons, electrons and neutrons for strontium with a mass of 83

Phosphorous can form an ion called phosphide, which has the formula p3−. this ion can form an ion called phosphide, which has the formula p3−. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons

Athe top of a hill, an athlete on a skateboard has x joules of mechanical energy. how much mechanical energy will she have at the bottom of the hill? ignore the effects of friction.