The theoretical yield of zinc oxide in a reaction is 486 g. What is the percent yield if 399 g is produced?
A. 29.6%
B. 4.93%
C. 82.1%
D. 122%

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

What shape would a molecule with two bound groups and two lone pairs have?

Is 9 correct? and can someone me with 10? it’s due tomorrow, you