Calculate the molar mass for isopropyl alcohol, C3H7OH. A. 59.09 g B. 60.00 g C. 60.10 g D. ...

Author Question: Calculate the molar mass for isopropyl alcohol, C3H7OH. A. 59.09 g B. 60.00 g C. 60.10 g D. ... (Read 130 times)

tichca

Hero Member
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

Sr. Member
Posts: 306

Reply #1 on: Aug 27, 2018

Answer to Question 1

C

Answer to Question 2

C

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