For the chemical reaction 2 NaOH + H2SO4
→
Na, SO4 + 2 H20
how many moles of sodium sulfate (Na2SO4) are produced from 4.0 mol of sodium hydroxide (NaOH)?
m

2 moles.

Explanation:

2NaOH + H2SO4 -->  Na2SO4 + 2H2O

This shows that 2 moles of NaOH give 1 mole of Na2SO4.

So 4 moles produces 2 moles of Na2SO4.

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