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How many moles are present in 431.56 grams of sodium bicarbonate ( NaHCO3)?

Molar mass of sodium bicarbonate (NaHCO3) = 84.01 g/mol

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quasarJose

Answer:

5.14mole

Explanation:

Given parameters:

Mass of sodium bicarbonate  = 431.56g

Unknown:

Number of moles  = ?

Solution:

To find the number of moles, we use the expression below:

  Number of moles  = [tex]\frac{mass}{molar mass}[/tex]  

 Molar mass = 84.01g/mol

 Number of moles  = [tex]\frac{431.56}{84.01}[/tex]   = 5.14mole

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