Question:
Element R has three isotopes. The isotopes are present in
Last updated: 7/31/2022
![Element R has three isotopes. The isotopes are present in](https://media.kunduz.com/media/sug-question/raw/55265304-1659276594.1855798.jpeg?h=512)
Element R has three isotopes. The isotopes are present in 0.0398, 0.1614, and 0.7988 relative abundance. If their masses are 194, 179, and 160 respectively, calculate the atomic mass of element R. (No decimals)