How much water and salt do you need to take to prepare 250 grams of 10% sodium nitrate solution?

Given: m (solution) = 250 g
w% (NaNO3) = 10%
Find: m (salt) – ?, m (water) -?

Solution:
m (salt) = 250 * 10/100 = 25 g
m (H2O) = 250-25 = 225g

Answer: 25g, 225g.



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