abigailoheneadu
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  • 24-02-2022
  • Chemistry
contestada

5)
What mass of sodium hydroxide is needed to neutralise
24.5 kg of sulfuric acid?
H2SO4 + 2NaOH
Na SO4 + 2H2O

Respuesta :

s906236
s906236 s906236
  • 24-02-2022

Answer:

23.92 g

Explanation:

Molar mass of H2SO4 = (2×1) +32+ (16×4) = 2+32+48= 82g/mol

H2SO4 + 2NaOH ---> Na2SO4 + 2H2O

I mole of H2SO4 = 2 moles of NaOH

24.5/82 = 24.5/82 × 2

= 0.598 moles of NaOH will neutralize

Mass= mole× molar mass

Molar mass of NaOH= 23+16+1 = 40g/mol

Mass= 0.598 × 40 = 23.92g of NaOH

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