Two-step conversions: Convert between mass and number of atoms/molecules. There is a sample of H2O containing 8.32 x 10^23 molecules. What is the mass of this sample? Show work.

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false