A chemist prepares 655.0 mL of a 6.0 M solution of phosphoric acid. He forgets to put the stopper in the flask, so two weeks later 48.0 mL have evaporated off. What is the new molarity of this solution?

given the reactants, h2so4 and koh, we are asked to determine the product(s) of the reaction. since h2so4 is an acid and koh is a base. this is a neutralization reaction, thus, the products are salt and water. 

so, h+ from h2so4 will react with oh- from koh forming h2o. k+ will also react with so4 2- forming k2so4. therefore, the balanced reaction will be:

h2so4 + 2koh > k2so4 + 2h2o

explanation:

did anyone actually do this? like if anyone has submitted this i rly need .

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