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1 2 3 Calculate the formula mass (molecular mass) of the compound lead (IV) chloride, PbCl4? A. 207.2 g/mol B. 141.8 g/mol C. 349.0 g/mol D. 556.2 g/mol How many moles of PbCl, are in 35 grams? A. 10.0 mol B. 0.100 mol C. 0.169 mol Which element quantity has the most mass? A. I mole of Argon Ar B. 1 mole of Chlorine Cl C. 1 mole of Sulfur S D. All have equal mass D. 15.9 mol

1 2 3 Calculate the formula mass (molecular mass) of the compound lead (IV) chloride, PbCl4? A. 207.2 g/mol B. 141.8 g/mol C. 349.0 g/mol D. 556.2 g/mol How many moles of PbCl, are in 35 grams? A. 10.0 mol B. 0.100 mol C. 0.169 mol Which element quantity has the most mass? A. I mole of Argon Ar B. 1 mole of Chlorine Cl C. 1 mole of Sulfur S D. All have equal mass D. 15.9 mol

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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WW wwww ADATTTTTTT 1 2 3 4 5 6 7 Calculate the formula mass (molecular mass) of the compound lead (IV) chloride, PbCl? A. 207.2 g/mol B. 141.8 g/mol C. 349.0 g/mol D. 556.2 g/mol How many moles of PbC14 are in 35 grams? A. 10.0 mol B. 0.100 mol Which element quantity has the most mass? A. 1 mole of Argon Ar B. 1 mole of Chlorine Cl 8 C. 0.169 mol Which element quantity has the most number of atoms? A. I mole of Argon Ar C. 1 mole of Sulfur S B. 1 mole of Chlorine Cl D. All have equal number of atoms Which mass quantity is equal to exactly 2.0 moles of element K? A. 19.5 grams K B. 39.1 grams K A. 9.40x1023 atoms B. 1.75x1024 atoms C. 1 mole of Sulfur S D. All have equal mass Which molar quantity is equal to 209.1 grams of Ga? A. 2.0 moles C. 6.0 moles B. 3.0 moles D. 8.0 moles H₂O #1. Al(s) + Col3(aq) →Co(s) + All3(aq) H₂O #2. Al(s) + 12(aq) → All3(aq) Heat #3. All 3) You measure 250 grams of zinc metal. How many atoms of zinc are contained within? C. 78.2 grams K D. 156.4 grams K Al(s) + 1₂(s) H₂0 The chemical reactions are skeleton reactions. They only show the reactants and products. They may not balanced. Answer questions 8-13. D. 15.9 mol C. 2.05x1024 atoms D. 2.30x1024 atoms #4. All3(aq) + Cl2(g) AICI3(aq) + 12() H₂0 #5. All3(aq) + Na₂SO4(aq) → Al2(SO4)3(s) + Nal(aq) Which of the reactions is a combination (or synthesis) reaction? A. Equation #1 C. Equation #3 B. Equation #2 D. Equation #4 E. Equation #5 F. None
Transcribed Image Text:WW wwww ADATTTTTTT 1 2 3 4 5 6 7 Calculate the formula mass (molecular mass) of the compound lead (IV) chloride, PbCl? A. 207.2 g/mol B. 141.8 g/mol C. 349.0 g/mol D. 556.2 g/mol How many moles of PbC14 are in 35 grams? A. 10.0 mol B. 0.100 mol Which element quantity has the most mass? A. 1 mole of Argon Ar B. 1 mole of Chlorine Cl 8 C. 0.169 mol Which element quantity has the most number of atoms? A. I mole of Argon Ar C. 1 mole of Sulfur S B. 1 mole of Chlorine Cl D. All have equal number of atoms Which mass quantity is equal to exactly 2.0 moles of element K? A. 19.5 grams K B. 39.1 grams K A. 9.40x1023 atoms B. 1.75x1024 atoms C. 1 mole of Sulfur S D. All have equal mass Which molar quantity is equal to 209.1 grams of Ga? A. 2.0 moles C. 6.0 moles B. 3.0 moles D. 8.0 moles H₂O #1. Al(s) + Col3(aq) →Co(s) + All3(aq) H₂O #2. Al(s) + 12(aq) → All3(aq) Heat #3. All 3) You measure 250 grams of zinc metal. How many atoms of zinc are contained within? C. 78.2 grams K D. 156.4 grams K Al(s) + 1₂(s) H₂0 The chemical reactions are skeleton reactions. They only show the reactants and products. They may not balanced. Answer questions 8-13. D. 15.9 mol C. 2.05x1024 atoms D. 2.30x1024 atoms #4. All3(aq) + Cl2(g) AICI3(aq) + 12() H₂0 #5. All3(aq) + Na₂SO4(aq) → Al2(SO4)3(s) + Nal(aq) Which of the reactions is a combination (or synthesis) reaction? A. Equation #1 C. Equation #3 B. Equation #2 D. Equation #4 E. Equation #5 F. None
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