Consider the equation:
2 KMnO4 + 5 H2C2O4 + 3 H2SO4 → 2 MnSO4 + 10 CO2 + 8 H2O + K2SO4
If the percent yield of the reaction is 42.8%, how many grams of sulfuric acid (F.W. 98.08) are needed to produce 7.9 g of manganese(II) sulfate (F.W. 151.0)?
Enter your numerical result in grams without the unit to a precision of 0.01 g.
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Consider the equation: 2 KMnO4 + 5 H2C2O4 + 3 H2SO4 → 2 MnSO4 + 10...
Question 2 1 pts Manganese(II) sulfate is produced in the following reaction: 5 H2C2O4 (aq) + 2 KMnO4109) +3H2504 (q) → 100026 + 2 MnSO4(09) + K3504 (aq) + 8 H20 10 What is the limiting reagent when 5.87 g H2C2O4 reacts with 4.38 g H2SO4 with excess KMnO4? H2C204 OK2504 H2504 KMnO4 MnSO4
4. How many mL of 0.250 M KM O4 are needed to react with 3.36 g of FeSO4? 10 FESO4 + 2 KMnO4 +8 H2SO4-5 Fe2 (SO4)3 +2 MnSO4 +8H20 +K2SO4 5. Potassium chlorate reacts with hydrochloric acid to produce chlorine gas. What mass of KCIO3 is needed to make 4.50 L of chlorine at 2.35 atm and 37.0°C? KCIO3(g)+6HCI(aq) KCI(aq) + 3C12(g) + 3H2O(1)
Question 1 1 pts Fine wires of magnesium burn readily in oxygen to produce magnesium oxide. If 15.8 g of Mg are reacted with 9.69 g of Oz in a sealed reaction vessel, what is the mass of MgO produced? (Fill in only number, 3 sig figs) Question 2 1 pts Manganese(II) sulfate is produced in the following reaction: 5 H2C204(aq) + 2 KMnO4(aq) + 3 H2SO4 (aq) → 10C026 + 2 MnSO4(09) + K3504 (aq) + 8 H20 10...
i need the answer for part 2 and 3! please PART II - Short answer questions (50 points) Show all setup and work for all numerical "P and work for all numerical problems. Make sure that your final anwer has the correct sumber of significant figures. No acant figures. NO CREDIT for answers without CLEARLY shown setup and solution w many grams of 12 (253.8 g/mol) will be formed when 45.0 ml. of 0.350 M Cu(NO3)2 is reacted with excess...
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A. Balance the following equations by adding coefficients. Do not leave blank spaces - use a "1" if necessary. Identify the type of reaction in the right column. Balanced Equation Type of Reaction 1. H.As2O7 → _ As2O3 + _H20 2. _N2+_02—_N20 _NaI + _Br2 → _NaBr +_12 PbCrO4 +_HNO3 → __Pb(NO3)2 + __H2CrO4 . _C3H8 +_02 → __CO2 + __H20 TiCl4 + _ Mg → _ MgCl2 + ____Ti CuSO4 +_ KCN → ___Cu(CN)2 +_K2SO4 Ca(ClO3)2 → _ CaCl2...
15. The mixing of which pair of reactants will result in a precipitation reaction? CsI(aq) + NaOH(aq) HCl(aq) + Ca(OH)2(aq) K2SO4(aq) + Hg2(NO3)2(aq) NaNO3(aq) + NH4Cl(aq) 16. Which of the following is a precipitation reaction? Zn(s) + 2 AgNO3(aq) 2 Ag(s) + Zn(NO3)2(aq) NaCl(aq) + LiI(aq) NaI(aq) + LiCl(aq) 2 KI(aq) + Hg2(NO3)2(aq) Hg2I2(s) + 2 KNO3(aq) HI(aq) + NaOH(aq) NaI(aq) + H2O(l) None of these are precipitation reactions. 17. Which...
0/ 1 pts Question 2 During a certain titration, 35.0 mL of 0.175 M aqueous sulfuric acid was required to exactly neutralize 49.0 mL of sodium hydroxide. Determine the molarity of the base. H2SO4 (aq) + 2NaOH(aq) + 2 H2O (0) + Na2SO4 (aq) [balanced] 0.125 M 6.00 x 10 M 0.250 M 0.175 M 0.600 M 2ct Question 6 0/1 pts Calculate the pressure exerted by 5.12 grams of chlorine gas in a 850 mL sealed flask at 27.0°C....