A sample of water that is 99.9999 percent pure contains 0.0001 percent impurities. Consider from Chapter 1 that a glass of water contains on the order of a trillion trillion (1 × )molecules. If 0.0001 percent of these molecules were the molecules of some impurity, about how many impurity molecules would this be?
A)1000 (one thousand: 1 × )
B)1,000,000 (one million: 1 × )
C)1,000,000,000 (one billion: 1 × )
D)1,000,000,000,000,000,000 (one million trillion: 1 × )

Question

A sample of water that is 99.9999 percent pure contains 0.0001 percent impurities. Consider from Chapter 1 that a glass of water contains on the order of a trillion trillion (1 ×  )molecules. If 0.0001 percent of these molecules were the molecules of some impurity, about how many impurity molecules would this be?
A)1000 (one thousand: 1 × ) 
B)1,000,000 (one million: 1 × ) 
C)1,000,000,000 (one billion: 1 × ) 
D)1,000,000,000,000,000,000 (one million trillion: 1 × )

Quizplus · Accepted Answer

The Answer of A sample of water that is 99.9999 percent pure contains 0.0001 percent impurities. Consider from Chapter 1 that a glass of water contains on the order of a trillion trillion (1 ×  )molecules. If 0.0001 percent of these molecules were the molecules of some impurity, about how many impurity molecules would this be?
A)1000 (one thousand: 1 × ) 
B)1,000,000 (one million: 1 × ) 
C)1,000,000,000 (one billion: 1 × ) 
D)1,000,000,000,000,000,000 (one million trillion: 1 × )

A Sample of Water That Is 99