What is the main point of this passage?
a how a scientiat solved a problem using the concept of density
b how to cleverly steal gold from a king
why people shouldn't steal things that belong to others
d how to catch a thief

the correct answer is answer a. a mixture

no other options make sense

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  - sprinkles

when [oh-] is 10-5  m, and [h3o+] is 10-9  m, the poh is 5 and ph is 9. again in both cases the sum of ph and poh is 14. however, the hydrogen ion concentration is not always going to be equal to exactly 1 x 10 raised to a negative number. for example, we skipped over the value of 2.0 x 10-7.

it would be d. henry moseley

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and sorry if i'm late. have a good rest of your day! : d