The required values are as given in the table. You need to make sure you material is dry or else the mass will be more than it actually is. Next lets figure out what percent of our 1100 total is 100.
How to calculate percent recover.
Measure the mass of the substance before purification. Calculate the percent recovery of a component of a binary mixture that weighs 02 grams. Thus the percent recovery of the substance is 853. For example calculating the value of a total from a known percentage is a valuable tool for determining the total number of voters in an election or calculating the total salary based on a percentage raise.