Find the no. of moles of NaOH present in 250ml of M/10 NaOH solution?
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Write the equation: m (in grams) = n x M.Extract the data from the question: n = 0.25 mol.Calculate the molar mass of the substance using the periodic table: M(H2O) = (2 x 1.008) + 16.00 = 18.016 g mol-1Substitute the values into the equation and solve: mass = 0.25 x 18.016 = 4.504 g.
Write the equation: m (in grams) = n x M.Extract the data from the question: n = 0.25 mol.Calculate the molar mass of the substance using the periodic table: M(H2O) = (2 x 1.008) + 16.00 = 18.016 g mol-1Substitute the values into the equation and solve: mass = 0.25 x 18.016 = 4.504 g.
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