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A student dissolved 3.00 g of Co(NO3)2 in enough water to make 100.00 mL of stock solution. He took 4.00 mL of the solution then diluted it with water to give 275 mL of a final solution. How many moles of NO3-1 are there in the final solution?
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An object moves with constant acceleration 4.45 m/s^2 and over a time interval reaches a final velocity of 10.0 m/s. If its original velocity is 5.00 m/s, what is its displacement during the time interval? What is the di ...
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