193 Answered Questions for the topic stoichiometry

Sodium oxalate and Potassium Permanganate reaction stoichiometry

An impure sample of sodium oxalate weighing 1.557 g required 27.59 mL of 0.0978 M potassium permanganate for complete reaction according to the following reaction:5Na2C2O4 + 2KMnO4 + 8H2SO4 =... more

Stoichiometry, Chemistry

How many moles of NH3 can be produced from 12.0 mol of H2 and excess N2?

Double Displacement Reaction Calculations

In our lab we completed conductometric titrations of FeCl3·6H2O + NaOH and CuCl2·2H2O + NaOH.My question that has two parts:1- If you could manipulate individual molecules and knew that you had 36... more

10/21/19

Determining Order given initial rates

Dibromoethane and potassium iodide react in methanol (the solvent) according to the equation: C2H4Br2 + 3KI → C2H4 + 2KBr + KI3 The initial rate of this reaction was determined in a series of... more

10/15/19

Help! Chemistry Stoichiometry Question

I figured out how to balance this equation, and I think I figured out the answer to question number 1 for mass (I got 33.2 g of sodium carbonate), but how do you find the ions that are not... more

05/31/19

Stoichiometry Question

Titanium is a strong, lightweight, corrosion-resistant metal that is used in rockets, aircraft, jet engines, and bicycle frames. It is prepared by the reaction of titanium(IV) chloride with molten... more

05/31/19

CHEMISTRY PROBLEM! NEED HELP AND WORK SHOWN!

Ammonia can be produced through the Haber process shown in the chemical reaction below. The reaction is known to have a percent yield of 55.1% because it is an equilibrium reaction. How much of... more

05/31/19

Chemistry Stiochemistry

Bromine can be prepared by adding chlorine to an aqueous solution of sodium bromide. How many grams of bromine are formed if 25.g of sodium bromide and 25.0g of chlorine reacted?Is this the right... more

05/30/19

What is the molarity? stoichiometry

If 525ml of 0.80mol/L HCL(aq) solution is neutralized with 315ml of Sr(OH)2(aq) solution what is the molarity of the Sr(OH)2(aq)?

05/30/19

Stoichiometry Question

During the combustion of methane, what mass of carbon dioxide will be produced when 15.0g of CH4(g) and 30.0(g) of O2(g) are available for reaction? If 17.55g of carbon dioxide was obtained during... more

05/29/19

How many moles of CO2 are present in the flask after 4mL of HCl have been added? What is the stoichiometric ratio between HCl and CO2?

Flask is 150 mL. P=1.81 atm. Gas volume=135.9 ml. Liquid volume=14.1mL. Initial pressure = 1 atm and initial temperature is 21.5 C I need help with putting this into an equation and writing the... more

05/25/19

Stoichiometry problems

H2SO4 + 2NaOH -> Na2SO4 + 2H2Oa) what mass of H2SO4 would be required to react with 1.50 moles of NaHOb) if 60.0g of H2SO4 reacts with sodium hydroxide, what mass of water is produced

05/23/19

How to predict mass of product?

If 250.3 L of hydrogen gas (d=0.0899 g/L) reacts with an excess amount of nitrogen gas, what mass of ammonia would be produced? I’ve gone through all of the assigned reading for this module and how... more

05/23/19

Mg(s) + 2 HCl(aq) --> MgCl2(aq) + H2(g) how many moles of Al are there?

Mg(s) + 2 HCl(aq) --> MgCl2(aq) + H2(g) how many moles of Mg are there? How many moles of aluminum is there?

05/16/19

Stoichiometry volume-volume

What volume in l of carbon monoxide will be required will be required to produce 18.9 l of nitrogen?

05/15/19

How many moles of ammonia NH3 are produced from 2.0 moles of nitrogen N2

How ammonia NH3 are produced from 2.0 moles of nitrogen N2

04/29/19

Using 2Gc + M + 3Cp -> Gc2MCp3, What were the Limiting & Excess Reactants if you had 4Gc, 3M, 4Cp? Using the ratios above, how many S’mores could you make?

Day 1. Part I Recall S’mores Lab (15 min)Using 2Gc + M + 3Cp -> Gc2MCp3,What were the Limiting & Excess Reactants if you had 4Gc, 3M, 4Cp?Using the ratios above, how many S’mores could you... more
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