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Title: A student dissolved 5.00 g of Co(NO3)2 in enough water to make 100. mL of stock solution. He took ... Post by: SydTay on Oct 11, 2018 A student dissolved 5.00 g of Co(NO3)2 in enough water to make 100. mL of stock solution. He took 4.00 mL of the stock solution and then diluted it with water to give 275. mL of a final solution. How many grams of NO3- ion are in the final solution?
A) 0.0247 g B) 0.0493 g C) 0.0678 g D) 0.136 g Title: A student dissolved 5.00 g of Co(NO3)2 in enough water to make 100. mL of stock solution. He took ... Post by: belledejour86 on Oct 11, 2018 Content hidden
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