250000 V = 1230 EX + 70928 R 2 = 0. 9572 V = 107 5EX + $3259 15 GOOD R 2 = 0.3975 ALISUBILI LOOOOL V = 8: 7X + 4650 0 R 2 = 0. 3975 50:000 2. 00 5....

can someone tell me how to calculate the concentration of zinc in a penny from the calibration curve and weight percent? penny mass was 2.4847g

250000V = 1230 EX + 70928R 2 = 0. 9572V = 107 5EX + $325915 GOODR 2 = 0.3975ALISUBILILOOOOLV = 8:478. 7X + 4650 0R 2 = 0. 397550:0002. 005. 0`10. 0012.00Concentration of Zinc ( jam )Zinc 213. 8 5 5 717Zinc 202. 5 48 1717Zinc ZOE. 200 1717