Question

Multiply or divide the following measurements. Be sure each answer you enter contains the correct number of significant digits. mol 93.4 _ * 37. L = 1 mol L x 6 ? 953.63 m = 0.88 S = 812.32 m = 35.46 S =
please help with all!! thanks

Answer 1

Ô 93,4 mollh * 37. L - 3 signéficant pig. 2 Significano lopia heast significant pg 3.5*103 Ans round to two significant 5 p significant fig 2 significant fig (heast) 1.1X/03 two sgrafi cant figue mo 3455.8 mol 1 1 953.63 m +0.88 s 1883,670 ml sigure ③ 8 12.32 m - 35.468 5 u sigroficant pig segrèficard lig 22.9080mis 2.291x10 mls - 4 significant lig. 2. Fe2 (co) Fe (sou) Pb(ClO3), Pb (sou). -3. HBe + NaOH NaBr & theo moles of HB – 80.1/80.91 -0.9899 moles= 0.989 moles moles of NaOH = 20/39.997 0.5 moles = 0.50moles moles of HB left = 0.989-0.500 = 0.489 moles- Mass of HBr left ozubug 0.489 x 80.1=39.6419. = 39,6g