Identify the mole ratio of water to sodium metal? Determine the number of moles of Sodium that reacted and determine the number of kg of Sodium that reacted. Sodium is 22.99 g/mol

Number of moles of sodium reacted is 2 moles. 0.04598 Kg is the mass of sodium that reacted.

Mole fraction is 1 mole ratio is 1:1

Explanation:

Balanced chemical reaction:

2 Na + 2H20 ⇒ 2NaOH + H2 (gas)

atomic mass of sodium = 22.99 g/mol

from the reaction it can be seen that 2 moles of sodium reacted to form 2 moles of sodium hydroxide soluition.

The mass of sodium reacted can be calculated from the formula:

mass = atomic mass of one mole x number of moles

mass = 22.99 x 2

         = 45.98 grams is the mass of sodium, to convert it into kilograms it is divided by 1000

= 0.04598 Kg is the mass of sodium that reacted.

Mole fraction formula is:

= mole fraction   ( solute Na = 2 moles, solution is NaOH =2 moles)

putting the values:

= 1 mole ratio is 1:1

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