pikachu4577 pikachu4577
  • 10-09-2020
  • Chemistry
contestada

How many mol of butan-1-ol are in 10.0 mL of butan-1-ol?
1) 0.165 mol
2) 0.109 mol
3) 0.943 mol
4) 0.258 mol

Respuesta :

jufsanabriasa
jufsanabriasa jufsanabriasa
  • 15-09-2020

Answer:

2) 0.109 mol

Explanation:

The density of butan-1-ol is 0.8098g/mL. And its molar mass is: 74.121g/mol.

First, we need to convert volume of butan-1-ol to mass:

10.0mL * (0.8098g / mL) = 8.098g of butan-1-ol

Now, we need to convert these grams to moles using molar mass:

8.098g * (1mol / 74.121g) = 0.109 moles of butan-1-ol

Right answer is:

2) 0.109 mol

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