Calculate the atomic mass of element X, if it has 2 naturally ...

[colton]

Calculate the atomic mass of element X, if it has 2 naturally occurring isotopes with the following masses and natural abundances: X-45 44.8776 amu 32.88 X-47 46.9443 amu 67.12
 
  A) 46.26 amu
  B) 45.91 amu
  C) 46.34 amu
  D) 46.84 amu
  E) 44.99 amu

Question 2

What wavelength of light would you report in units of nm, if the light had a wavelength of 7.60  10-10 m?
 
  A) 7.60  10-3 nm
  B) 7.60  10-19 nm
  C) 1.32 nm
  D) 0.760 nm
  E) 760 nm

[ecabral0]

Answer to Question 1

A

Answer to Question 2

D

[colton]

Thanks for the timely response, appreciate it

[nguyenhoanhat]

Gracias!