How many molecules are in 5.00 grams of NH3? a 0.294
b 0.333
C 1.77 x 1023
d 6.68 x 1022
e 2.00 x 1023

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount

How many atoms are there in 5.70 mol of mg

The melting point of sulfur is 115 °c and its boiling point is 445 °c. what state would sulfur be in at 200 °c?