If 100 atoms of element X contains 70 atoms of 9X and 30 atoms of 11X, calculate the relative atomic mass of X. by Sunday | May 9 | Chemistry WAEC | 0 comments A. 9.6 B. 10.6 C. 11.6 D. 20.0 Correct Answer: Option A A. 9.6 Users Also Read These:An element Q; contains 69% of 63Q and 31% of 65Q.…If the relative molecular mass of an element is not…If the relative molecular mass of an element is not…An element X has isotopic masses of 6 and 7. if the…An element of nucleon number P and atomic number Q…