How many moles of NaOH would produce 10 moles of water in this reaction 2NaOH + H2SO4 - Na2SO4 + 2H2O O A. 20 O B. 1 O C. 10 O D. 4

To apply in a gold the individual gold atoms are united to each other by means of a metallic bond. how would you use the gold block to determine the atomic radius of a gold atom?

Suppose that some of the compound spilled out of the crucible after it was heated. would that cause the percent by mass of water in the compound determined by the experiment to be too low, too high, or unchanged? briefly explain your answer.

One similarity and one difference between an element and a mixture of elements