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Determine the limiting reactant and the mass of product when 1.20mol of Sb and 2.40mol I 2 mixed?

Determine the limiting reactant and the mass of product when 1.20mol of Sb and 2.40mol I 2 mixed? Sb + I 2  SbI 3 Sb:243 I:127.0. what mass of AgBr is formed when a solution containing 3.45 g of KBr is mixed with a solution containing 7.28 g AgNO 3 ?

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Determine the limiting reactant and the mass of product when 1.20mol of Sb and 2.40mol I 2 mixed?

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  1. Determine the limiting reactant and the mass of product when 1.20mol of Sb and 2.40mol I2 mixed? Sb + I2 SbI3 Sb:243 I:127.0

  2. what mass of AgBr is formed when a solution containing 3.45 g of KBr is mixed with a solution containing 7.28 g AgNO3? KBr + AgNO3AgBr + K+ + NO3-

  3. Consider the following reaction: Na3PO4 (aq) + Ba(NO3)2(aq)  Ba3(PO4)2(s) + NaNO3 (aq)Suppose that a solution containing 3.50 grams of Na3PO4 is mixed with a solution containing 6.40 grams of Ba(NO3)2. How many grams of Ba3(PO4)2 can be formed?

  4. Methyl tert-butyl ether (MTBE, ), a substance used as an octane booster ingasoline, can be made by reaction of isobutylene with methanol. What is the percent yield of the reaction if 32.8 g of methyl tert-butyl ether is obtainedfrom reaction of 26.3 g of isobutylene with sufficient methanol?

  5. Soru: 3,00g etilenamin CH3NH2, 0,100g H+ ile reaksiyona girdiğinde 2,60g CH3NH3+ oluştuğuna göre reaksiyonun gerçek verimi ve yüzde verimini hesaplayınız. • CH3NH2, + H+ → CH3NH3 CH3NH2, : 31,06 • CH3NH3 :32,07

  6. What will happen if Na2CO3 and CaCl2 solutions are mixed ? • What will happen if CuSO4 and NaNO3 solutions are mixed ?

  7. pH The pH is defined as the negative logarithm in base 10, of the hydronium ion concentration pH = - log[H3O+] • The pOH is defined as the negative logarithm in base 10, of the hydroxyl ion concentration pOH = - log[OH-] • pH of a neutral solution = 7.00 • pH of an acidic solution < 7.00 • pH of a basic solution > 7.00

  8. D Fe2O3(k) + 3 CO(g)→ 2 Fe(k) + 3 CO2(g) Oxidation reduction reactions • Chemical reactions which involve involve electron transfers from one atom to another, are called oxidation-reduction or redox reactions. • Oxidation is the process in which the oxidation number of atoms increase, • Reduction is the process in which the oxidation number of atoms is decreased • Oxidation is the loss of electrons by an atom reduction is the gain of electrons Fe3+--- metallic iron CO(g)---- Carbon diokside

  9. Fe3+ + Cu+ → Fe2+ + Cu2+ Fe3+ + e- → Fe2+ Cu+ → Cu2+ + e-

  10. Oxidation states • Oxidation states (oxidation numbers) reflect, in general way, how electros are involved in compound formation. • the oxidation state(O.S) of an atom in the pure (uncombined) element is 0. • The total (sum) of the oxidation state of all the atoms in a molecule or formula unit is 0. • For an ion total of the oxidation state is equal to the charge on the ion. • In their compounds the alkali metals (1a groups Li, Na, K, Rb, Cs, Fr) have an +1 oxidation number. 2A group metals +2. • In its compounds, the oxidation state of hydrogen is +1. but in NaH BeH2 it has OS of -1 • O.S. of fluorine is –1. halogens have generally O.S of -1 when they combine with H and metals. • In its compounds oxygen has an oxidation state of –2.

  11. Balancing Redox reactions 1- Split the equation into two half equation 2- Balance the two half equation same number of electrons must appears in each half equation • balance the atoms of element being oxidized or reduced • balanve oxidation number by adding electrons • balance charge in acidic solutions add H+ add OH in basic solutions • balance hydrogen by adding H2O 3- combine the two half equation eliminate electrons

  12. Soru: Fe2+ + MnO4- → Fe 3+ + Mn2+ balance in acidic medium • Soru: Cl2 + Cr(OH)3 → Cl- + CrO42- balance in basic medium • Soru: C2H5OH + Ce4+ → CO2 + Ce3+ balance in acidic medium

  13. Titrasyon • Titration is a procedure for determining the concentration of a solution by allowing a carefully measured volume to react with a standard solution of another substance, whose concentration is known. By finding the volume of the standard solution that reacts with the measured volume of the first solution, the oncentration of the first solution can be calculated. • equivalent point The point that all reactants are consumed, Stoichiometric mol numbers of both reactants are equal. • an indicator a compound that change its color around equivalent point. such as phenolphthalein, is colorless in acidic solution but turns pink in basic solution.

  14. Soru: antiasit ilaç tabletlerinin anabileşeni CaCO3 tür. 0.542 gr olarak tartılan bir tablet HCl ile titre edildiğinde, reaksiyonun tamamlanması için 38.5 ml 0.200M HCl harcandığına göre tablet içindeki CaCO3 yüzdesi nedir? CaCO3 + HCl → Ca2+ + CO2 + Cl- + H2O

  15. Konsantrasyou bilinmeyen bir permanganat çözeltisinin 28,97ml si 0,1058g okzalik asit ile tamamen reaksiyona girdiğine göre permanganat çözeltisinin konsantrasyonunu hesaplayınız. • MnO4- + H2C2O4→ Mn2+ + CO2 2 MnO4- + 5 H2C2O4 6 H+→ 2 Mn2+ + 10 CO2 + 8H2O

  16. A 25.0 mL sample of vinegar (dilute acetic acid, ) istitrated and found to react with 94.7 mL of 0.200 M NaOH. What is the molarity of the acetic acid solution?

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