Multiple Choice
A hypothetical element consists of two isotopes of masses 69.95 amu and 71.95 amu with abundances of 25.7% and 74.3%,respectively.What is the average atomic mass of this element?
A) 70.95 amu
B) 69.95 amu
C) 70.5 amu
D) 71.4 amu
E) 71.95 amu
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q3: You take an aspirin tablet (a compound
Q4: A 15-g sample of lithium is
Q5: SO<sub>2</sub> reacts with H<sub>2</sub>S as follows:
Q6: Naturally occurring element X exists in three
Q7: If 45.0 g of O<sub>2</sub> are mixed
Q9: Give (in order)the correct coefficients to
Q10: How many grams of potassium are in
Q11: Oxides of copper include CuO and Cu<sub>2</sub>O.You
Q12: What is the sum of the
Q13: How many of the following are true