ALL INSTRUCTI0NS ARE F0UND IN TH3 P1CTUR3S PR0VID3D I W1LL RAT3 TH3 TUT0R H3LPFUL IF ANSW3RED ASAP

Show the complete solution (include all units of measurement and the required conversion factors) to each of the following problems. Enclose the final numerical answer (round-off the final answer to the correct number of significant figures) in a box. Question No. 1. Calculate the amount (mole) of NaCl present in 0.624 g NaCl. Atomic Mass: Na = 22.99; CI = 35.45 What is the molar mass of NaCl? Round off your answer until the second decimal point. How many moles of NaCl are present in 0.624 g NaCl? ( Question No. 2. Calculate the mass (g) NaCl of 0.22 mole Nacl. ( Question No. 3 Consider a 250.0 mL aqueous solution that contains 1.624 mole NaCl. Write the mathematical equation for molarity. Calculate the molar concentration of a 250.0 mL aqueous solution that contains 1.624 mole NaCl ( Question No. 4 Calculate the molar concentration of a 250.0 mL aqueous solution that contains 0.624 g NaCl (M.M. = 58.44). Question NO. 5 A 2.4537 g sample of pure NazCO3 (M.M. = 105.99) was dissolved in 50-mL distilled water, poured quantitatively into a 250.00 mL volumetric flask and diluted to the mark. Calculate the molarity of the standard solution." Question NO. 6 Calculate the %NaBr for a solution that contains 5.50 g of NaBr in 78.2 g of solution.THE PERIODIC TABLE OF ELEMENTS VIIIA IA 18 1 2 H IIA IIIA IVA VA VIA VIIA He 1.01 2 13 14 15 16 17 4.00 55 Atomic Number 3 4 Cs- Chemical Symbol 5 6 7 8 10 Li C O Ne Be 132.91- Atomic Mass B N 6.94 9.01 10.81 12.01 14.01 16.00 19.00 20.18 11 12 VIIIB 13 14 15 16 17 18 Na Mg IVB VB VIB VIIB IB IIB Al Si P S CI Ar 4 12 22.99 24.31 3 5 6 7 8 9 10 11 26.98 28.09 30.97 32.07 35.45 39.95 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr 39.10 40.08 44.98 47.87 50.94 52.00 54.94 55.85 58.93 58.69 63.55 65.38 69.72 72.64 74.92 78,96 79.90 83.80 54 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag ed In Sn Sb Te Xe 85.478 87.62 88.91 91.22 92.91 95.96 (98) 101.07 102.91 106.42 107.87 112.41 114.82 118.71 121.7 127.6 126.90 131.29 55 56 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 Cs Ba 57-71 HF Ta W Re Os Ir Pt Au Hg TI Pb Bi Po At Rn 132.91 137.33 174.97 180.95 183.84 186.21 190.23 192.22 195.08 196.97 200.59 204.38 207 .20 208.98 (209) (210) (222 87 88 104 105 106 107 108 109 110 111 112 Fr Ra 89-103 Rf Db Sg Bh Hs Mt Ds Rg Cn (223) (226) (261) (262) (266) (264) (269 (268) (271) (280) (285) 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu 138.91 132.91 140.91 132.91 (145) 150.36 151.97 157.25 158.93 162.50 164.93 167.26 168.93 173.04 174.97 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 Ac Th Pa U Np Pu Am Cm BK Cf Es Fm Md No Lr (227) 232.04 231.04 238.03 (237) (244) (243) (237) (247) (251) (252) (257) (258) (259) (262)