How many grams of Na2EDTA⋅2H2ONa2EDTA⋅2H2O (FM 372.23 g/mol) should be added to 1.541.54 g of Mg(NO3)2⋅2H2OMg(NO3)2⋅2H2O (FM 184.35 g/mol184.35 g/mol ) in a 500. mL volumetric flask to give a buffer with pMg2?

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