3. how many moles are in a sample of tin that contains 2.0 x 102 atoms? show your work

Which of the following true? a_volcanoes and earthquakes often near the plate boundaries. b_volcanoes occur whereve there are tall mountains. c_earthquakes cause volcanoes in the same location to erupt violently d_volcanoes and earthquakes occur only where plates are colliding with each other

If equal masses of the listed metals were collected , which would have a greatest volume ? a. aluminum 2.70,b. zinc7.14,c. copper 8.92,d. lead 11.34

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?