A vessel contains a mixture of 34.9 grams of H2 (g) and 17.7 ...

[biggirl4568]

A vessel contains a mixture of 34.9 grams of H2 (g) and 17.7 grams of CH4. If the total pressure inside the vessel is measured at 2.92 atm, the partial pressure of H2 (g) must be _____ atm.
 
  A) 2.75
  B) 50.5
  C) 0.175
  D) 53.8
  E) 5.53

Question 2

What is the term for the degree of inexactness in an instrumental measurement?
 
  A) accuracy
  B) error
  C) precision
  D) uncertainty
  E) none of the above

[snackralk]

Answer to Question 1

A

Answer to Question 2

D)

[biggirl4568]

Thank you!

[snackralk]

Always glad to help...