State the rock sample and the associated uncertainty

Reference no: EM13173994

Type your question hereA 0.1390-g rock sample of unknown concentration was dissolved in HCl and diluted to 100.0 mL. Aliquots of 10.00 mL of this unknown solution were added to different volumes of a 2.08 ÃŽ ¼g/mL Ca standard solution and diluted to 200.0 mL. Find the weight percent of Ca in the rock sample and the associated uncertainty from the x-intercept using the method of least squares. Unknown (mL) 1) 10, 2) 10, 3) 10, 4) 10, 5)10 / Standard (ml) 1) 0, 2) 5, 3) 10, 4) 15, 5) 20 / Final Volume (ml) 1) 200, 2) 200, 3) 200, 4) 200, 5) 200 / Emission Intenisty 1) 221, 2) 407, 3) 631, 4) 825, 5)

Reference no: EM13173994

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