Asked Sep 26, 2019

starting with 25.0g of each reactant, how many grams of each product could be produced, and how many grams of each reactant are left over?

hydrobromic acid reacts with aluminum metal to produce hydrogen gas and aluminum bromide


Expert Answer

Step 1


Mass of HBr = 25 g.

Molar mass of HBr = 81 g/mol.

Mass of Al = 25 g.

Molar mass of Al = 27 g/mol.

Balanced chemical reaction is given by:


Image Transcriptionclose

2Al6HBr 2AIBr3 3H2

Step 2

Calculation for moles of HBr and Al:


Image Transcriptionclose

Mass Number of moles of HBr Molar mass 25 g Number of moles of HBr = 81 g/mol Number of moles of HBr = 0.309 moles. Mass Number of moles of Al = Molar mass 25 g Number of moles of Al = 27 g/mol Number of moles of Al = 0.926 moles.

Step 3

Amount of AlBr3 and H2 produce will depend on limiting reactant.

Moles of HBr = 0.309/6 = 0.0515 moles.


Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in



Related Chemistry Q&A

Find answers to questions asked by student like you
Show more Q&A

Q: What would be the steps of this reaction?

A: The given methyl cyclopentane reacts with phosphorous tri bromide to give (bromomethyl) cyclopentane...


Q: Why do protons always have a positive charge? Is it that they can donate?

A:  An atom can be considered as the smallest unit of any matter. An atom is composed of certain sub-at...


Q: Comment on the difference between the enthalpy of combustion values of anthracene, napthalene, and p...

A: Enthalpy of combustion of naphthalene (∆H) = -5138.8 20 KJEnthalpy of combustion of Anthracene (∆H) ...


Q: Given that a reaction is a first order process, determine the time in minutes for 3.83643 M of a mat...

A: Given, The initial amount of the reactant is 3.83643 M.Remaining amount is 0.03796 M.Rate constant i...


Q: Consider an atom of 58Co. How many protons, neutrons, and electrons does this atom contain? Expres...

A: Click to see the answer


Q: Write the net ionic equation for the reaction between A^NO3(aq) and N22SO4(aq). Be sure to include s...

A: The chemical reaction between silver nitrate (AgNO3) and sodium sulphate (Na2SO4) can be written as ...


Q: The equilibrium constant, Kp, for the following reaction is 2.20×104 at 723 K.2NH3(g) N2(g) + 3H2(g)...

A: The change in equilibrium constant with change in temperature is explained by Van’t Hoff equation.


Q: Calculate the mass, in grams, of a single platinum atom (mpt=195.08amu)

A: Atomic mass of platinum is 195.08 g/mol.


Q: When an electron moves from n=5 to n=3, would the human eye see any light? Explain.

A: To determine this, first it is required to calculate the wavelength of the light produced when an el...