STOICHIOMETRY WORKSHEET Note: Always balance your equation before solving. 1. Calculate the mass of calcium nitrate that can be produced by reacting 136 ml of 4 M Nitric acid with excess calcium hydroxide. HNO3 + Ca(OH)2 * H2O + Ca(NO,)2
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- Which answer represents the correct balancing coefficients (in order from left to right) & the type of reaction for: ___ NaBr + ___ H3PO4 --> ___ HBr + ___ Na3PO4Using this balanced equation: NaHCO3 + CH3COOH H2O + CO2 + NaC2H3O2 In an experiment , the following mass measured 3.0 grams, 5.5 grams and 7.0 grams of Baking soda is mixed with 0.5 mol of acetic acid (vinegar) to form carbon dioxide as a product formed Name of Bottle NaHCO3 (Baking Soda) Acetic Acid Calculation of Amount of Product Formed Mass Mole Volume Mole Limiting Excess A 3.0 g 50 mL 0.5 mol B 5.5 g 50 mL 0.5 mol C 7.0 g 50 mL 0.5 molHow many grams of hydrogen gas are produced by the reaction of 5.0 g of zinc with excess hydrochloric acid? Zn + 2HCl ---> ZnCl2 + H2 Group of answer choices 0.0771 g 0.154 g 0.0308 g 0.121 g
- 1.) If 13.0 mL of acetic acid was mixed with 20.0 g of sodium bicarbonate, which is the limiting reactant? Support with work. 2.) Using the equation, NaHCO3+ HCH3CO2 ----> NaCH3CO2+ H2O + CO2, how many grams of CO2 is produced from the reaction? How many moles is this? 3.) Using the equation, NaHCO3+ HCH3CO2 ----> NaCH3CO2+ H2O + CO2 and assuming the barometric pressure is 1 atm, and the temperature is 25 degrees celcius, what is the volume of the CO2 produced? Temperature of acetic acid: melting point is at 16.73°C and normal boiling point at 117.9°C. Pressure of acetic acid: 15.7 mmHg at 25°C Density of acetic acid: 1.05 g/cm3Calculate the number of moles of CO2 that would be produced if 1.00 mL of vinegar completely reacts with a stoichiometrically equivalent amount of baking soda. NaHCo3+HC2H3O2--yields--NaC2H3O2+CO2+H2OWrite the balanced neutralization reaction that occurs between H2SO4H2SO4 and KOHKOH in aqueous solution. Phases are optional. neutralization reaction: Suppose 0.950 L0.950 L of 0.440 M H2SO40.440 M H2SO4 is mixed with 0.900 L0.900 L of 0.230 M KOH0.230 M KOH. What concentration of sulfuric acid remains after neutralization? concentration: M H2SO4
- A chemist setup a synthesis of phosphorus trichloride by mixing 12.0gP with 35.0gCl _(2) and obtained 42.4gPCl _(3). Calculate the percentage yield of this compound. P(s)+Cl_(2)(g)->PCl _(3)(l) Please type answer note write by hend.Which answer represents the correct balancing coefficients (in order from left to right) & the type of reaction for: ___ NaHSO3 --> ____ Na2SO4 + ____ H2O + ____ SO3When 30.0 mL of a 0.50 M sodium carbonate solution reacts with 25.0 mL of a 0.85 Macetic acid solution, carbon dioxide gas forms. Assume the reaction runs to completionwith 100% yield. Which statement(s) correctly describe the reaction of these solutions? I. 0.660 grams of CO2 are produced.II. Acetic acid is the limiting reactant.III. The final solution contains 0.015 moles of Na+ ions. a. Two of these statements are correct.b. Statement I is correct.c. Statement II is correct.d. Statement III is correct.e. All of the statements (I, II, and III) are correct.
- Consider the two-step process for the formation of tellurous acid described by the following equations: ???2+ 2??−⟶ ???3 2− + ?2? ???3 2− + 2?+⟶ ?2???3 What mass of H2TeO3 is formed from 74.2 g of TeO2, assuming 100% yield?T24 (This question uses the equation that was balanced in the previous question). Now give the coefficient of permanganate in the balanced equation. ___ SO2 + ___ MnO4– + ___ H2O --> ___ SO42– + ___ Mn2+ + ___ H+ Select one: a. 4 b. 3 c. 10 d. None of these e. 16 f. 2 g. 6 h. 51.) If I mixed 50g of aluminum sulphate and 50g of calcium hydroxide, which is the limiting reagent? Determine the amount of excess reagent if any. If the percent yeild is only 75%, how much is the actual yeild? 2.) What is the value in K of 400 R? 3.) How many grams of nickel are in a 3.4x10^27 nickel atoms? 4.) Why is there a need to balance chemical equations? Support your answer with a scientific basis.