8 and 9 please:) iranchembook.ir/edu136Chapter 3 Stoichiometry of Formulas and EquationsSkill-Building Exercises (grouped in similar pairs)3.3.8 Calculate the molar mass of each of the following:(a) Sr(OH)2 (b) N½O3 (c) NaCIO3(d) Cr2O3i3.9 Calculate the molar mass of each of the following:(a) (NH4)3PO4 (b) CH,Cl, (c) CUSO4-5H,O (d) BrF,3.10 Calculate the molar mass of each of the following:(b) BaF, (c) Alb(SO4)3(a) Sno(d) MnCl23.11 Calculate the molar mass of each of the following:(a) N,O4 (b) C,H,OH (c) MgSO4*7H,O (d) Ca(C,H3O2)23.12 Calculate each of the following quantities:(a) Mass (g) of 0.346 mol of Zn(b) Number of F atoms in 2.62 mol of F,(c) Number of Ca atoms in 28.5 g of Ca3.13 Calculate each of the following quantities:(a) Amount (mol) of Mn atoms in 62.0 mg of Mn(b) Amount (mol) for 1.36x102 atoms of Cu(c) Mass (g) of 8.05×104 Li atoms3.14/ Calculate each of the following quantities:(a) Mass (g) of 0.68 mol of KMNO4(b) Amount (mol) of O atoms in 8.18 g of Ba(NO3)2(c) Number of O atoms in 7.3x10 g of CASO4 2H,O3.15 Calculate each of the following quantities:(a) Mass (kg) of 4.6x102 molecules of NO,

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3.8 Calculate the molar mass of each (a) Sr(OH)2 (b) N½O3 (c) NaCIO3

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8 and 9 please:)

iranchembook.ir/edu
136
Chapter 3 Stoichiometry of Formulas and Equations
Skill-Building Exercises (grouped in similar pairs)
3.
3.8 Calculate the molar mass of each of the following:
(a) Sr(OH)2 (b) N½O3 (c) NaCIO3
(d) Cr2O3
i
3.9 Calculate the molar mass of each of the following:
(a) (NH4)3PO4 (b) CH,Cl, (c) CUSO4-5H,O (d) BrF,
3.10 Calculate the molar mass of each of the following:
(b) BaF, (c) Alb(SO4)3
(a) Sno
(d) MnCl2
3.11 Calculate the molar mass of each of the following:
(a) N,O4 (b) C,H,OH (c) MgSO4*7H,O (d) Ca(C,H3O2)2
3.12 Calculate each of the following quantities:
(a) Mass (g) of 0.346 mol of Zn
(b) Number of F atoms in 2.62 mol of F,
(c) Number of Ca atoms in 28.5 g of Ca
3.13 Calculate each of the following quantities:
(a) Amount (mol) of Mn atoms in 62.0 mg of Mn
(b) Amount (mol) for 1.36x102 atoms of Cu
(c) Mass (g) of 8.05×104 Li atoms
3.14/ Calculate each of the following quantities:
(a) Mass (g) of 0.68 mol of KMNO4
(b) Amount (mol) of O atoms in 8.18 g of Ba(NO3)2
(c) Number of O atoms in 7.3x10 g of CASO4 2H,O
3.15 Calculate each of the following quantities:
(a) Mass (kg) of 4.6x102 molecules of NO,

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Cl₂(g) + 2e Cr₂0 (aq) + 14 H(aq) + 6e¯ 02(g) +4H(aq) + 4e¯ MnO2(s) + 4H(aq) + 2e 103 (aq) +6H(aq) + 5e¯ VO₂ (aq) + 2H(aq) + e¯ Br₂() + 2e NO, (aq) + 4H(aq) + 3e¯ ClO2(g) + e Ag+(aq) + e 2 CT (aq) 1.36 2 Cr3+(aq) + 7 H₂O(1) 1.33 2 H₂O(1) 1.23 Mn2+(aq) + 2 H2O() 1.21 12(aq) + 3H2O(l) VO2+(aq) + H2O(l) 1.20 1.00 2 Br (aq) 1.09 NO(s) + 2 H2O(l) CIO₂(aq) 0.96 0.95 Ag(s) 0.80 0.77 Fe3+(aq) + e Fe2+(aq) A mixture of Fe3+, CIO₂, and Cr₂O,² was made, what reaction would be predicted, if any? a. Fe3+ + Cr2O7²- b. Cr2O + Clo²- c. Fe3+ Clo²- d. No reaction. -> -> Fe²+ + Cr³+. - Cr3+ + ClO2. Fe²+ + ClO2.
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