Homework Clinic
Science Clinic => Chemistry => Topic started by: tichca on Aug 27, 2018
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Calculate the molar mass for isopropyl alcohol, C3H7OH.
A. 59.09 g
B. 60.00 g
C. 60.10 g
D. 61.10 g
Question 2
If we start with 1.000 g of strontium-90, 0.805 g will remain after 9.00 yr. This means that the half-life of strontium-90 is ________ yr.
A) 7.74
B) 11.2
C) 28.8
D) 7.25
E) 41.6
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Answer to Question 1
C
Answer to Question 2
C