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Yes this is correct and I got the same answerNow I remember,
we were suppose to calculate the percentage purity of copper
calculated conc. of copper = 0.19 mol dm^-3
volume 250 cm^-3
moles*Mr = 0.0475*63.5=3.0162g
purity = 3.0162/3.76 (if i remember the correct value)
80.2% was the answer