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PLEASE TRY TO ANSWER CORRECTLY A method of analysis yields masses of gold that are low by 0.3mg. This method is used for analysis of

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A method of analysis yields masses of gold that are low by 0.3mg. This method is used for analysis of ores that assay about 3.9% gold. What minimum sample mass should be taken if the relative error resulting from a 0.3mg loss is not to exceed a. 0.1% ? Mass =g b. 0.4% ? Mass =g c. 0.8% ? Mass =g d. 1.1% ? Mass =g

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