How many moles H2O are equivalent to 97. 3 grams of H2O

5.4 moles

Explanation:

to convert from grams to moles

you need the molar mass of h2o from the periodic table which is 2(1.01)+16=18.02

 ×   the grams cancel out leaving you with 5.4 moles of h2o

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.