He took 400 ml of the solution then diluted it with water
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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a student needed approx 400ml of a 01 m solution of naoh the only solution available in the lab was a 6m naoh solution
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