Question:
7. What is the formula weight of calcium perchlorate?
A) 138.55 amu
90.55 amu
C) 106.55 amu
D) 82.42 amu
E) 122.55 amu
My answer: Calcium Perchlorate is entitled Ca(ClO[sub]4[/sub])[sub]2[/sub]. Thus its formula weight would be approximately 238.972
7. What is the formula weight of calcium perchlorate?
A) 138.55 amu

C) 106.55 amu
D) 82.42 amu
E) 122.55 amu
My answer: Calcium Perchlorate is entitled Ca(ClO[sub]4[/sub])[sub]2[/sub]. Thus its formula weight would be approximately 238.972