Lead has a molar mass of 207.2g mol -1. Assuming that it is composed entirely of 206Pb, 207Pb and 208Pb, and that the percentage of the two lightest isotopes are equal. Calculate the relative percentage of these isotopes in the natural element

Thanks in advance. I really need help with this question

Can someone check my work 98 5.05 acids and bases for this assignment you will be comparing acids and bases. the chart below will you organize the information needed: acids bases chemical properties (2) deodorant detergent vinger dish soap physical properties (2) orange juice toilet cleaner drain cleaner window cleaner ph level acid ph goes from 0-4 bases ph goes from 10-14 examples around you (2) vinger coffee lemon juice dark chocolate