What is the percentage of copper (by mass) in copper(II)nitrate trihydrate, \rm{Cu(NO_{3})_{2}\cdot3 H_{2}O}

Arecipe calls for 1.2 cups of oil. how many liters of oil is this?

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.

The missing component to the table to the right or indicated with orange letters complete the table by filling in the corresponding numbers or symbols