before i give you the problems please jsut explain how to get to the answer. step by step please. I have no idea how to do this and im taking FLVS. please help!--------------------------------------… Question 1 (Multiple Choice Worth 2 points)How many moles of silver (Ag) are equivalent to 68.3 g Ag? 9.50 g 1.45 g 1.58 g 0.633 g --------------------------------------… Question 2 (Multiple Choice Worth 2 points)How many atoms are in a sample of 72.8 grams calcium (Ca)? 1.76 × 1027 atoms 1.09 × 1024 atoms 4.85 × 10-21 atoms 3.02 × 10-24 atoms --------------------------------------… Question 3 (Multiple Choice Worth 2 points)What is the mass of 3.8 × 1024 atoms of argon (Ar)? 0.0039 g 0.16 g 6.3 g 250 g --------------------------------------… Question 4 (Multiple Choice Worth 2 points)Which of the following has the greatest mass, in grams? 0.3 mol iron (Fe) atoms 1 atom of silver (Ag) 25 atoms of lead (Pb) 1 mole of hydrogen atoms (H) --------------------------------------… Question 5 (Multiple Choice Worth 2 points)How many moles of oxygen (O) atoms are in a sample of 3.98 × 1023 atoms? 0.661 mol O 1.51 mol O 6.60 × 1022 mol O 2.40 × 1047 mol O --------------------------------------… Question 6 (Multiple Choice Worth 2 points)What is the mass of 18.8 moles of helium (He) atoms? 0.213 g 4.70 g 37.6 g 75.2 g --------------------------------------… Question 7 (Multiple Choice Worth 2 points)How many moles of cesium (Cs) atoms are in 675 g Cs? 0.197 mol 5.08 mol 8.97 × 104 mol 4.06 × 1026 mol --------------------------------------…Question 8 (Essay Worth 2 points)What is the mass, in grams, of a sample of 1.20 × 1022 atoms of mercury (Hg)? Show your work or explain the steps that you used to determine your answer. short answer please explain! --------------------------------------… Question 9 (Multiple Choice Worth 2 points)If you were asked to convert 4.2 × 10622 atoms of aluminum to moles, which of the following should you use for the conversion? a. (6.022 multiplied by 10

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