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3 years ago

11

How many moles of Na2CO3 are in 100.0ml of a 2.0M solution?

1 answer:

Anna [14]3 years ago

6 0

M = moles of solute / liters of solution

2.00 M = x / 10.0 L

x = 20.0 mol

Suppose the molarity was listed as 2.0 M (two sig figs). How to display the answer? Like this:

20. mol

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