"Rubbing alcohol" is a mixture that is 70.% isopropyl alcohol (C3H8O) in water.  The mixture has a density of 0.79 g/mL at 20°C. What is the concentration of the isopropyl alcohol in molarity? The molar mass of isopropyl alcohol is 60.11 g/mol.   a. 11.6 M   b. 13.1 M   c. 9.2 M   d. 30.7 M

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"Rubbing alcohol" is a mixture that is 70.% isopropyl alcohol (C3H8O) in water.  The mixture has a density of 0.79 g/mL at 20°C.

What is the concentration of the isopropyl alcohol in molarity?

The molar mass of isopropyl alcohol is 60.11 g/mol.

  a.

11.6 M

  b.

13.1 M

  c.

9.2 M

  d.

30.7 M

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