49 grams of sulfuric acid, H2SO4, is dissolved in 1 liter of solution. Determine the molarity (M).

Compare and contrast the bohr model and the electron cloud models of the atom.

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.

How many oxygen atoms are there in 3.15 moles of hcl manganese (iv) oxide, mno2