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

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The Answer of 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

A Student Dissolved 5