a sample is determined to contain (2.10 *10^-7 ) mole of potassium (k=39.10 g/mol) . how many grams of K is this?
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a sample is determined to contain (2.10 *10^-7 ) mole of potassium (k=39.10 g/mol) . how many grams of K is this?
a sample is determined to contain (2.10 *10^-7 ) mole ofpotassium (k=39.10 g/mol) . how many grams of K is this?