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6. While investigating mole ratios, a group of students collected data for the following chemical reaction: 2 NaOH(aq) +CaCl₂(aq) → 2 NaCl(aq) + Ca(OH)₂(s). The students wondered what would happen if an excess of NaOH was used. Their teacher approved a procedure in which solutions containing 3.00 g of NaOH and 2.10 g of CaCl, were combined. Based on the quantities of these reactants, what amount of Ca(OH)₂(s) is produced? A. 0.0189 mol B. 0.0375 mol C. 0.0500 mol D. 0.1000 mol

6. While investigating mole ratios, a group of students collected data for the following chemical reaction: 2 NaOH(aq) +CaCl₂(aq) → 2 NaCl(aq) + Ca(OH)₂(s). The students wondered what would happen if an excess of NaOH was used. Their teacher approved a procedure in which solutions containing 3.00 g of NaOH and 2.10 g of CaCl, were combined. Based on the quantities of these reactants, what amount of Ca(OH)₂(s) is produced? A. 0.0189 mol B. 0.0375 mol C. 0.0500 mol D. 0.1000 mol

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter4: Stoichiometry
Section: Chapter Questions
Problem 4.69PAE: 4.69 The pictures below show a molecular-scale view of a chemical reaction between H2 and CO to...
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6. While investigating mole ratios, a group of students collected data for the following chemical reaction: 2 NaOH(aq) + CaCl₂(aq) → 2 NaCl(aq) + Ca(OH)₂(s). The students wondered what would happen if an excess of NaOH was used. Their teacher approved a procedure in which solutions containing 3.00 g of NaOH and 2.10 g of CaCl, were combined. Based on the quantities of these reactants, what amount of Ca(OH)₂(s) is produced? A. 0.0189 mol B. 0.0375 mol C. 0.0500 mol D. 0.1000 mol 7. In producing pure iron metal from its ore, iron(III) oxide and carbon (coke) must react according to the following balanced chemical equation: Fe₂O₂ (s) + 3 C(s) → 2 Fe(s) + 3 CO(g) Suppose 5.89 x 10³ mol of iron ore are consumed. How many moles of pure iron metal are produced? A. 1.47 x 10³ mol B. 2.95 x 103³ mol C. 5.89 x 10³ mol D. 1.18 x 104 mol Science 20
Transcribed Image Text:6. While investigating mole ratios, a group of students collected data for the following chemical reaction: 2 NaOH(aq) + CaCl₂(aq) → 2 NaCl(aq) + Ca(OH)₂(s). The students wondered what would happen if an excess of NaOH was used. Their teacher approved a procedure in which solutions containing 3.00 g of NaOH and 2.10 g of CaCl, were combined. Based on the quantities of these reactants, what amount of Ca(OH)₂(s) is produced? A. 0.0189 mol B. 0.0375 mol C. 0.0500 mol D. 0.1000 mol 7. In producing pure iron metal from its ore, iron(III) oxide and carbon (coke) must react according to the following balanced chemical equation: Fe₂O₂ (s) + 3 C(s) → 2 Fe(s) + 3 CO(g) Suppose 5.89 x 10³ mol of iron ore are consumed. How many moles of pure iron metal are produced? A. 1.47 x 10³ mol B. 2.95 x 103³ mol C. 5.89 x 10³ mol D. 1.18 x 104 mol Science 20
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