How many grams of koh are dissolved in 2.50 liters of 1.50 m koh? (the molar mass of koh = 56.11 g/mol) 210 grams 93.5 grams 15.0 grams 56.11 grams

There are a number of ways to express concentration of a solution. This includes molarity. Molarity is expressed as the number of moles of solute per volume of the solution. We can calculate as follows:

Mass of KOH = 1.50 mol KOH/ L solution (2.50 L) (56.11 g/mol) = 210.41 g KOH 

Therefore, the first option is the answer. 

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Oxygen= 88ghydrogen= 12g