6.73 moles of h2o will have a mass of how many grams h2o

Problem page gaseous ethane reacts with gaseous oxygen gas to produce gaseous carbon dioxide and gaseous water . if of water is produced from the reaction of of ethane and of oxygen gas, calculate the percent yield of water. be sure your answer has the correct number of significant digits in it.

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

How many grams of aluminum will there be in 98g of al2o3?