. How many milliliters of 0.20 M HCl are needed to exactly neutralize 40. milliliters of 0.40 M KOH

Explanation:

Hello,

In this case, for the given reactants we identify the following chemical reaction:

Thus, we evidence a 1:1 molar ratio between KOH and HCl, therefore, for the complete neutralization we have equal number of moles, that in terms of molarities and volumes become:

Hence, we compute the volume of HCl as shown below:

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precipitation

explanation:

when it goes from cloud to rain/back to earth in the form of rain

i think the answer is terrae but not 100 percent sure. ▓▬▬ §