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1 year ago

9

How many moles are in 1.5x1023 molecules of Na2SO4?

1 answer:

german1 year ago

6 0

One mole of Na2SO4 is 6.022 * 10^(23) molecules. We can divide this into the quantity in the question to find a value of 1.5/6.022 = 0.2491 moles. Rounded to two significant figures and put in scientific notation, we can rewrite this quantity as 2.5 * 10^(-1) moles

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