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SAT, 30.09.2021 16:40 xaguilar

a student dissolved 7.00 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 there in the final solution?

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