Repeated references to ears and hearing in hamlet are an example of a literary

Motif

Explanation:

Repeated references to ears and hearing in Hamlet are an example of a literary motif. A motif is a recurring symbol which has a figurative meaning in the text. It is a very common literary device. A motif can help the author establish a particular mood, or develop a theme due to its symbolic meaning.

x = 2.2*10^23 molecules of H2O

Explanation:

H = 1g

O = 16g

H2O = 1g*2 + 16g

H2O = 18g = 1 mol of H2O

18 g___1 mol of H2O

6.38g__ x = 0.354 mol of H2O

1 mol6.22*10^23 molecules

0.354 mol__x = 2.2*10^23 molecules of H2O