Convert to moles: show work 1. 6.6g (nh4)2so4 2. 4.5kg ca(oh)2 3. 25g cao 4. 25g fe(no3)3 . 6h2o 5. 25g k2cro4

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space