Acertain solution has a hydrogen ion concentration of 3.54 x 10−5 moles per liter. write this number in standard notation.

Hey!

It looks like you got scientific notation, the exponent tells how how much should we move the decimal points. A positive exponent means we should move it to the right. A negative exponent means that we should move it to the left. In this problem we have this:


So, let's move the decimal place 5 places to the left, our number would be...


Thanks!
-TetraFish

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