A chemist weighed out 101. g of tungsten. Calculate the number of moles of tungsten she weighed out. Be sure your answer has the correct number of significant digits.

What will most likely happen in the absence of a cell membrane? a) photosynthesis will not take place. b) the cell will not store food, water, nutrients, and waste. c) energy will not be released during cellular respiration. d) substances will pass in and out of the cell in an uncontrolled manner.