Chemistry, 19.12.2021 20:10 stefani5519
An experiment was conducted to determine the effects of the age of newsprint on the brightness (in percentage) of the recycled paper. Four aging periods were considered, along with five concentrations of sodium hydroxide (NaOH), used to de-ink the paper. The effect of sodium hydroxide's concentration is not of interest. The blocking variable is
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An experiment was conducted to determine the effects of the age of newsprint on the brightness (in p...
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