我覺得是我的英文太弱
請強者幫個忙吧
You find a compound composed only of element X and hydrogen,
and know that it is 91.33% element X by mass. Each molecule
^^^^^^^^^^^^^
has 2.67 times as many H atoms as X atom. What is element X?
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
到底在說什麼阿??
A. C
B. Ne
C. Si
D. Cl
E. Cu
我的答案是:C
不過有人可以用中文解釋一下嘛??
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