najwadaaboul2004
najwadaaboul2004 najwadaaboul2004
  • 11-01-2021
  • Chemistry
contestada

The mass of one gallon of water is approximately 3.78 kg or 3780 grams. How many moles are contained in one gallon of water?
a. 102
b. 210
c. 120
d. 201

Respuesta :

Neetoo
Neetoo Neetoo
  • 11-01-2021

Answer:

Number of moles of water = 210 mol

Explanation:

Given data:

Mass of water = 3780 g

Number of moles of water = ?

Solution:

Formula:

Number of moles = mass/molar mass

Molar mass of water = 18 g/mol

Number of moles = 3780 g/ 18 g/mol

Number of moles of water = 210 mol

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