which is the formula for diarsenic pentoxide?\no ar2o5\no as5o2\no as2o5\no 2as5o

Answer

Brief Explanations:

The prefix "di -" means 2 and "penta -" means 5. Diarsenic indicates 2 arsenic (As) atoms and pentoxide indicates 5 oxygen (O) atoms. So the chemical formula is $As_2O_5$.

Answer:

C. $As_2O_5$