When calculating the uncertainty associated with molar mass,which of the following statements are TRUE? I Uncertainty in the mass of n identical atoms = n *(uncertainty in atomic mass for one atom. )
II Uncertainties for different elements are dependent.
III The uncertainty for the sum of the masses of different elements is calculated using the equation .
IV When summing the masses of different elements,the uncertainties for the mass of different elements are propagated as random errors.
A)I,II,and III
B)I and III
C)II,III,and IV
D)I and IV
E)II and III

Question

When calculating the uncertainty associated with molar mass,which of the following statements are TRUE? I Uncertainty in the mass of n identical atoms = n *(uncertainty in atomic mass for one atom. )
II Uncertainties for different elements are dependent.
III The uncertainty for the sum of the masses of different elements is calculated using the equation  .
IV When summing the masses of different elements,the uncertainties for the mass of different elements are propagated as random errors.
A)I,II,and III 
B)I and III 
C)II,III,and IV 
D)I and IV 
E)II and III

Quizplus · Accepted Answer

The Answer of When calculating the uncertainty associated with molar mass,which of the following statements are TRUE? I Uncertainty in the mass of n identical atoms = n *(uncertainty in atomic mass for one atom. )
II Uncertainties for different elements are dependent.
III The uncertainty for the sum of the masses of different elements is calculated using the equation  .
IV When summing the masses of different elements,the uncertainties for the mass of different elements are propagated as random errors.
A)I,II,and III 
B)I and III 
C)II,III,and IV 
D)I and IV 
E)II and III

When Calculating the Uncertainty Associated with Molar Mass,which of the Following