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Author Question: Calculate the molar mass for isopropyl alcohol, C3H7OH. A. 59.09 g B. 60.00 g C. 60.10 g D. ... (Read 267 times)

tichca

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  • Posts: 554
on: Aug 27, 2018
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


rosiehomeworddo

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  • Posts: 306
Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

C


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