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Multiple Choice
Which salt is produced when H2SO4 reacts with NaOH?
A
NaHSO4
B
Na2SO4
C
Na2CO3
D
K2SO4
Verified step by step guidance
1
Identify the type of reaction between H2SO4 (sulfuric acid) and NaOH (sodium hydroxide). This is an acid-base neutralization reaction where the acid reacts with the base to form a salt and water.
Write the balanced chemical equation for the reaction. Since H2SO4 is a diprotic acid (can donate 2 H+ ions), it can react with 2 moles of NaOH:
From the equation, observe that the salt formed is sodium sulfate, which has the formula $\mathrm{Na_2SO_4}$, because two sodium ions balance the sulfate ion's charge.
Compare the given options with the formula derived from the balanced equation to confirm that $\mathrm{Na_2SO_4}$ is the correct salt produced.