20.0 cm3 of sulfuric acid, concentration 0.30 mol / dm3, was added to 40 cm3 of sodium hydroxide, concentration 0.20 mol / dm3. (i) How many moles of H2SO4 were added

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The water cycle increase the water content in the earth atmosphere

Molarity is moles of solute over liters of solution. idk if that is what you are talking about, but you can convert moles of solute to grams of solute using dimensional analyzes by using molar mass found on the periodic table.