50mL of 0.5M oxalic acid is needed to neutralize 25mL of soidum hydroxide solution. The amount of NaOH in 50mL of the given sodium hydroxide solution is:
A
4g
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B
20g
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C
80g
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D
10g
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Solution
The correct option is A4g H2C2O4+2NaOH→Na2C2O4+2H2O