You Dissolve 15

question 39

Short Answer

You dissolve 15.71 g of NH4NO3 in 150.0 mL of solution (call this solution A). You take 20.0 mL of solution A and add water until the total volume is 75.0 mL (call this solution B). You take 15.0 mL of solution B and add 25.0 mL of water to it (call this solution C). You mix 10.0 mL of solution B and 10.0 mL of solution C (call this solution D). What is the concentration of ammonium nitrate in solution D?
A) 0.240 M
B) 0.190 M
C) 0.131 M
D) 0.279 M
E) none of these

• A) 0.240 M
• B) 0.190 M
• C) 0.131 M
• D) 0.279 M
• E) none of these

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