# chemistry

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If 4.0L of a 4.7M SrCl2 solution is diluted to 45L , what is the molarity of the diluted solution?

• chemistry -

4.7M x (4.0/45) = ? or the other way is

ask how many mols you started with? That's M x L = 4.7 x 4.0 = ?
You will have that many mols in the final dilution so the concn is
M = mols/L = (4.7*4.0)/45

• chemistry -

thank you; answer is 0.4177 or 4.2

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