Boron (b) has two naturally occurring isotopes: boron-10 (abundance = 19.8%,

mass = 10.013 amu) and boron-11 (abundance = 80.2%, mass = 11.009 amu).

calculate the atomic mass of boron.

Can someone me with these questions plz.

How do i complete this electrolysis of water lab? i’m at home, so i don’t have the materials, and the lab didn’t properly work and was incomplete at school.

Using the thermodynamic information in the aleks data tab, calculate the standard reaction free energy of the following chemical reaction: →+p4o10s6h2ol4h3po4s round your answer to zero decimal places.