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Tegab Tegab
wrote...
Posts: 509
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6 years ago
The molecular mass of C6H12O6 is 180 amu. How much mass does 0.25 moles of this substance contain?
  a. 1.8 g
  b. 45 g
  c. 180 g
  d. 45 daltons
  e. 180 daltons

Question 2

Nitrogen has five electrons in its valence shell. How many electrons does it need to gain to complete its valence shell?
  a. one
  b. two
  c. three
  d. seven
  e. eight
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Replies
wrote...
6 years ago
Answer to q. 1

b

Answer to q. 2

c
Tegab Author
wrote...
6 years ago
Helps a lot <3 Now I'm ready for my quiz
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