How many grams of nano3 would you add to 500g of h2o in order to prepare a solution that is 0.500 molal in nano3?

How many grams of nano3 would you add to 500g of h2o in order to prepare a solution that is 0.500 molal in nano3?

0.5 m = x mol NaNO3/0.5 kg waterx = 0.25 mol NaNO3 Since the molar mass of NaNO3 is 85 g/mol, the mass is 0.25 mol * 85 g/mol = 21.25 grams NaNO3 needed

answer: the primary difference between a hypothesis and a theory is that b hypothesis is falsifiable, but a theory has been proven to be correct. theory is an explanation of something that is happening but hypothesis is a guess of something that can happen explanation:

geosphere and hydrosphere. this is because the geosphere has to do with geological events, while the hydrosphere controls all water on earth.

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