Sarah measures out 151 grams of so2. how many moles is this? express your answer to three significant figures.

What is the mass of 0.46 mol of mgcl2

Given the following information: mass of proton = 1.00728 amu mass of neutron = 1.00866 amu mass of electron = 5.486 × 10^-4 amu speed of light = 2.9979 × 10^8 m/s calculate the nuclear binding energy (absolute value) of 3li^6. which has an atomic mass of 6.015126 amu. j/mol.

Element before carbon on the periodic table