If 80.0 grams of I2O5 react with 28.0 grams of CO, what mass of I2 can be produced? If 40.6 grams of I2 are actually produced, what is the percent yield of I2? Balanced equation: I2O5 + 5CO → 5CO2 + I2

Which of the following expressions are equivalent ?

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

Ineed to know the answer to this algebra question.