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You are watching: How many grams of oxygen are formed when 6.21 moles of koh are formed


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QuestionHow countless grams that potassium fluoride can form if 4.00 grams the potassium space reacted with 3.00 grams of fluorine gas according to the reaction: 2K (s) + F2 (g) %u2192 2KF (s)?.


QuestionHow numerous grams the PbF2 (molar massive = 245.2) will certainly dissolve in 750 mL of 0.70 M NaF solution? The Ksp for PbF2 is 2.69e-08..


QuestionHow numerous grams of potassium acetate need to be included to 2.5 together of 0.250 M acetic mountain to obtain a buffer at pH = 4.26?.


QuestionHow plenty of grams the PbSO4 are reduced at the cathode if you fee a command storage battery for 1.85 h with a consistent current that 13.4 A? .


Question1)A galvanic cell is assembled utilizing the following: Sn metal and 1.0 M Sn(NO3)2in one half cell and Ag metal and 1.0 M AgNO3in the other fifty percent cell. Calculation the conventional cell potential.a) +0.663b) -0.935c) -0.663d) +0.9352) Galvanic cell is assembled using the following: Sn metal and 1.0 M Sn(NO3)2in.


QuestionHow numerous grams of oxygen gas would you develop if you heated 2.50 grams of potassium chlorate. The decomposition reaction produce oxygen gas and also potassium chloride.Can someone check my answer? I gained 0.33g O2.


Question17.What is the product of the following reaction?A) IB) IIC) IIID) IVE) no one of theseWhat is the product that the adhering to reaction?.


Question- How plenty of grams of potassium acetate must be included to 2.5 together of 0.250 M acetic mountain to achieve a buffer at pH = 4.26?.


QuestionHow plenty of grams of potassium chlorate decompose to form potassium chloride and 590. ML O2 at 128C and 674 torr?2. A 394-mL container hold 0.146 g the Ne and an unknown amount of Ar in ~ 35C and also a full pressure the 638 mmHg. Calculation the mole of Ar present.


QuestionHow numerous grams the potassium chlorate decompose to potassium chloride and 341 mL of O2 at 128C and 717 torr?2 KCLO3(s) -> 2 KCl(s) + 3 O2 (g)_______g.


QuestionHow countless grams the PbSO4 are diminished at the cathode if you fee a lead storage battery because that 1.50h v a continuous current of 15.0A ? Answer: mPbSO4=_______g.


QuestionHow numerous grams the phosphorus are in a sample of Ca_3(PO_4)_2 that includes 38.0 g that calcium?.


QuestionHow plenty of grams the oxygen are forced for complete burning of 10.44 grams of methane?CH2 + 2O2 -> CO2 + 2H2O.


QuestionHow many grams of oxygen are forced to react v 5.62 mol nitrogen to produce dinitrogen trioxide?.


Question17.Which nucleophilic substitution reaction would certainly be unlikely to occur?A) Br- + CH3-OH2+ CH3-Br + H2OB) NH3 + CH3-OH2+ CH3-NH3+ + H2OC) I- + CH3-Cl CH3-I + Cl-D) more than one of the aboveE) no one of the above.


QuestionHow plenty of grams of oxygen are in 8.50 g that formaldehyde, CH2O?2.12 g2.83 g4.25 g4.53 g16.0 g a.2.12 g b.2.83 g c.4.25 g d.4.53 g e.16.0 g .


QuestionHow many GRAMS that phosphorus are existing in 1.81 moles of phosphorus trichloride?How countless MOLES that chlorine are current in 2.90 grams the phosphorus trichloride ? .


QuestionHow many grams the oxygen are developed when 6.21 mole of KOH space formed? 4 KO(s) + 2 H_2O(l) rightarrow 4 KOH(s) + O_2(g) 19.9g 27.9g 49.7g 3.59g 11.7g consider the following well balanced reaction. How numerous grams the water are required to native 75.9g the HNO_3? Assume that there is.


QuestionHow many grams that oxygen can be created from the decomposition of 12.25 g potassium chlorate? How countless grams the carbon dioxide can be developed from the complete burning of 11.00 g propane (CaHe)? If 4.0 mol nitrogen dioxide were reacted with 2.0 mol water, what is the maximum amount.


QuestionHow plenty of grams the potassium chlorate decompose to kind potassium chloride and also 505mL the O2 at 128 degrees C and 691 torr?2KClO3(s) -> 2KCl(s) + 3O2(g)(full explanantion please).


QuestionHow numerous grams that phosphorus room in a sample that Ca3(PO4)2 that consists of 50.0 grams of calcium.


QuestionHow many grams of potassium accetate should be included to 2.5 l of .250 M acetic acid to acquire a buffer at pH = 4.26?.


QuestionHow countless grams of PH3 can kind when (3.520 x10 ^ 1) g that P4 and also (7.51 x 10 ^ 1) l of hydrogen gas reaction at STP?.


QuestionHow plenty of grams the oxygen are developed when 6.21 miles oh KOH are developed 4KO(s)+2H2O(1)>4KOH(s)+O2(g).


QuestionHow many grams the phosphine (PH3, molar massive = 34.0 g/mol) can type when 62.0 g of phosphorus (P4, molar fixed = 124.0 g/mol) and also 78.4 l of H2 gas reaction at STP?.


QuestionHow countless grams that phosphine (PH_3) can kind when 35.0 g that phosphorus and also 98.5 together of hydrogen gas react at STP? P_4(s) + H_2(g) rightarrow PH3(g) g pH_3.


QuestionHow countless grams the oxygen are created when 6.21 moles of KCH room formed? 4 KO(s) + 2 H_2O(l) rightarrow 4 KOH(s) + O_2(g) 19.9g 27.9 g 49.7 g 3.59 g 11.7 g consider the following well balanced reaction. How countless grams that water are forced to form 75.9 g of.


QuestionHow countless grams the PbCl2 will be produced if overfill HCl is included to 30.00 mL of a 0.2319M systems of PbNO3 according to the adhering to reaction. (Assume the the reaction proceeds come completion.What is the molar concentration of a NaOH solution if 34.98 mL of the reacted v 1.9278.


QuestionHow many grams of oxygen (O2) are needed to totally react with 2.40 g of propane (C3H8) according to the equation below? C3H8+5O2---------------> 3CO2 + 4H2OA) 0.545 gB) 0.273 gC) 8.72 gD) 2.88 g.


QuestionHow countless grams of PbCl2 are developed when 50.0 mL the 0.410 M KCl react v Pb(NO3)2?2KCl(aq) + Pb(NO3)2(aq) 2KNO3(aq) + PbCl2(s)Possible answers:11.4 g5.70 g2.85 g17.1 g28.5 g.


Questionhow plenty of grams the oxygen are necessary to produce 180 g of water follow to this equation?2H2 + O2 --> 2H2O.


QuestionHow plenty of grams the potassium chloride must be included to 379 g the water in order to prepare a 0.162 m potassium chloride solution?m(KCl) = ? g.


QuestionHow plenty of grams that potassium benzoate trihydrate, C6H5COOK.3H2O, are needed to prepare 1.5L that 0.125 M potassium benzoate solution? Please display work. Thank you.


Question17.9) In the complying with reaction, which is the oxidizing agent? Fe2O3 + 2Al ? Al2O3 + 2Fe a. Steel in the iron(III) oxide b. Oxygen in the iron(III) oxide c. Aluminum metal d. Aluminum in the aluminum oxide e. Stole metal.


QuestionHow plenty of grams the oxygen are compelled to fully burn 5.90g that C3H8 in the following unbalanced equation:C3H8 + O2 -----> CO2 + H2O.


QuestionHow numerous grams the potassium chlorate decompose to potassium chloride and435mL the O2at 128'C and also 700.torr? \\(2KlO_3(s)->2KCl(s)+3O\\).


QuestionHow numerous grams the potassium chloride, KCI, space in 475 mL the 0.600 M potassium chloride solution? The molar fixed of KCI is 74.6 g..


QuestionHow numerous GRAMS of phosphorus are current in 3.04 moles of phosphorus pentachloride ?I understand this is super basic I have actually been out of the chemistry game for a while. Will you please present the stoichiometric measures that go along with it. Say thanks to you!.


QuestionHow plenty of grams that potassium chlorate decompose to potassium chloride and 638 mL the O2 in ~ 128 C and 752 torr?2KClO3 (s) ---------------> 2KCl (s) + 3O2(g).


QuestionHow plenty of grams of PH3 are existing in 437 mL that the gas at STP?PH3:_____gThe number of far-ranging digits is set to 3; the tolerance is +/-1 in the third significant digit .


QuestionHow plenty of grams that potassium chlorate decompose to potassium chloride and 962 ml the O2 at 125 C and 692 torr ?.


Question17.9The flask presented here consists of 0.0811 g that acid and also a couple of drops that phenolphthalein indicator liquified in water. The buret contains 0.100 M NaOH. What volume of basic is required to with the end suggest of the titration? assuming the acid is monoprotic, what is that is molar mass? Add.


QuestionHow plenty of grams the oxygen willl be created if we insert an electrical power in 10 g of water? Be certain with your answers.

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QuestionHow many grams of potassium chlorate decompose to potassium chloride and 142 mL that O2 at 128 degrees C and also 717 torr?2KClO3 (s) -> 2KCl(s) +3O2(g).