Answer the following questions on a sheet of paper and upload. SHOW ALL YOUR WORK AND...
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Answer the following questions on a sheet of paper and upload. SHOW ALL YOUR WORK AND UNITS!!!!!! 1. How many moles are in 3.9 x 1020 atoms of magnesium? 2. How many atoms are in 4.60 moles of carbon? 3. Calculate the molar mass of Al2(SO4)3. 4. Balance the following equations: a. In balancing chemical equation, subscripts can be changed. True or false. Why? b. In balancing chemical equation, coefficients can be changed. True or false. Why? C.____A + ---B₂ ------> AB3 d._____KOH + e.____AB3 +_C₂----- 5. Draw Lewis dot structure for NF3. NOTE: Draw 2 structures-1st structure showing that each atom is stable with circles and 2nd structure showing bonds. H3PO4 -> K3PO4 + AC + Equivalent statements 1 mole = 6.02 x 1023 particles 1 mole = 6.02 x 1023 atoms 1 mole = 6.02 x 1023 molecules 1 mole molar mass (g) ---- H₂O B₂C Answer the following questions on a sheet of paper and upload. SHOW ALL YOUR WORK AND UNITS!!!!!! 1. How many moles are in 3.9 x 1020 atoms of magnesium? 2. How many atoms are in 4.60 moles of carbon? 3. Calculate the molar mass of Al2(SO4)3. 4. Balance the following equations: a. In balancing chemical equation, subscripts can be changed. True or false. Why? b. In balancing chemical equation, coefficients can be changed. True or false. Why? C.____A + ---B₂ ------> AB3 d._____KOH + e.____AB3 +_C₂----- 5. Draw Lewis dot structure for NF3. NOTE: Draw 2 structures-1st structure showing that each atom is stable with circles and 2nd structure showing bonds. H3PO4 -> K3PO4 + AC + Equivalent statements 1 mole = 6.02 x 1023 particles 1 mole = 6.02 x 1023 atoms 1 mole = 6.02 x 1023 molecules 1 mole molar mass (g) ---- H₂O B₂C
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Related Book For
Economics
ISBN: 978-0073375694
18th edition
Authors: Campbell R. McConnell, Stanley L. Brue, Sean M. Flynn
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