Which solution could you prepare by dilution? A. 400 milliliters of 2.50 molar solution from a 2.00 molar stock solution B. 600 milliliters of 3.00 molar solution from a 2.50 molar stock solution C. 700 milliliters of 4.50 molar solution from a 3.00 molar stock solution D. 900 milliliters of 3.50 molar solution from a 4.50 molar stock solution Please help me understand this question. :)

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Which solution could you prepare by dilution? A. 400 milliliters of 2.50 molar solution from a 2.00 molar stock solution B. 600 milliliters of 3.00 molar solution from a 2.50 molar stock solution C. 700 milliliters of 4.50 molar solution from a 3.00 molar stock solution D. 900 milliliters of 3.50 molar solution from a 4.50 molar stock solution Please help me understand this question. :)

Chemistry
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hint: when we dilute, the molarity of the prepared solution is lower than the molarity of the stock solution
so, look at each answer choice to see which one has a higher stock solution molarity than the prepared molarity
Ok

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Other answers:

What's the difference between the molar solution and the molar stock solution? And how do you find the molarity?
That's where I get confused
molarity is given in the problem
ok, maybe I can explain it this way the "stock solution" is a solution with a known concentration, and the "prepared solution" is a new solution that we make by taking part of the stock solution and adding water
Ohh ok
so, let's take a look at the first answer choice: A. 400 milliliters of 2.50 molar solution from a 2.00 molar stock solution this means, we take a 2.00 molar stock solution, and we try to make a new solution that is 400 ml and 2.50 molar now, going by the rule I stated earlier, the stock solution molarity has to be higher than the new solution 2.00 molar stock is less than 2.50 molar solution so A cannot be our answer
keep going like this until you find the answer
Thank you so much for explaining :)

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