389 Answered Questions for the topic stoichiometry

04/14/21

What are the answers to the three questions? And how do you calculate and get those answers?

0.98 g of silver (I) nitrate was dissolved in water and a 0.56 g piece of copper wire was placed in the solution. The color due to silver (I) nitrate soon faded and a precipitate of solid silver... more
Stoichiometry Chemistry

04/10/21

How many grams of oxygen and grams of hydrogen are produced from the decomposition of 10.0 grams water? (write the equation and balance) H2O → H2 + O2

How many grams of oxygen and grams of hydrogen are produced from the decomposition of 10.0 grams water? (write the equation and balance)    H2O →  H2 + O2Please look at my profile. I have more... more
Stoichiometry Chemistry

04/10/21

When magnesium reacts with copper (II) chloride, how many grams of copper are produced from 50.6 grams of magnesium? (finish the equation and balance) Mg + CuCl2 🡪 MgCl2 + Cu

When magnesium reacts with copper (II) chloride, how many grams of copper are produced from 50.6 grams of magnesium? (finish the equation and... more
Stoichiometry Chemistry

04/10/21

Calculate the number of grams of product, given the synthesis reaction between aluminum with 6.0 mols of oxygen. (finish the equation and balance) Al + O2 —> Al2O3

This is basic Stoichiometry. I need help please, i would be really grateful for a response, I am very confused.
Stoichiometry Chemistry

04/10/21

Calculate the mass of carbon dioxide produced from the combustion of 11.2 g of C4H6. (finish the equation and balance) C4H6 + O2 —-> CO2 + H2O

Need help please Calculate the mass of carbon dioxide produced from the combustion of 11.2 g of C4H6. (finish the equation and balance)               C4H6  +   O2 🡪   CO2 +  H2O
Stoichiometry Chemistry

04/06/21

Stoichiometey problem

The balanced equation is 3H2 + N2 —> 2NH3If you need to make 2.00g of the NH3, what would be the mass of the reactants needed? The reactants are H2 and N2
Stoichiometry Science Chemistry Equations

03/27/21

Stoichiometry work

10.0 grams of calcium is added to HCl. Ca   +  HCl →  CaCl2      +   H2How many grams of HCl would be needed to completely react with the Ca?
Stoichiometry Chemistry

03/23/21

How many atoms of Oxygen are there in 15 g of sodium bicarbonate?

Sodium bicarbonate (NaHCO3) is commercially known as baking soda.         (Molar mass of NaHCO3 = 84.01 g/mol)
Stoichiometry Chemistry

03/23/21

How many grams of Oxygen are there in 15 g of sodium bicarbonate?

Sodium bicarbonate (NaHCO3) is commercially known as baking soda.         (Molar mass of NaHCO3 = 84.01 g/mol)
Stoichiometry Chemistry Problem Solving

03/23/21

Determine the limiting reactant, theoretical yield, and percent yield for the reaction.

Consider the reaction between calcium oxide and carbon dioxide:       CaO (s) + CO2 (g) → CaCO3 (s)  A chemist allows 14.4 g of CaO and 13.8 g of CO2 to react. When the reaction is... more
Stoichiometry Chemistry Problem Solving

03/23/21

Determine the limiting reactant, theoretical yield, and percent yield for the reaction.

Consider the reaction between calcium oxide and carbon dioxide:                                       CaO (s) + CO2 (g)  → CaCO3 (s) ﻿A chemist allows 15.27 g of CaO and 18.06 g of CO2 to react.... more
Stoichiometry Chemistry

03/20/21

How many moles of H2SO4 are needed to react with an equivalent of NaOH to produce 165 moles of sodium sulfate?

2 NaOH + H2SO4 → Na2SO4 + 2 H2OI know the answer is 82.5 but I don't understand how to get there.
Stoichiometry Chemistry

03/20/21

If you needed to produce 33.0 g of NH3, how many grams of H2 would you need? (Stoichiometry)

Consider the following balanced chemical reaction:    N2 + 3 H2 → 2 NH3If you needed to produce 33.0 g of NH3, how many grams of H2 would you need?
Stoichiometry Chemistry

03/18/21

Cant Figure this One out?

Using the following chemical equation:     P (s)   +   Cl2 (g)    →  PCl3 (l),if 35.0 grams of chlorine react with excess phosphorus metal and 42.5 grams of phosphorous trichloride are produced in... more
Stoichiometry Chemistry

03/18/21

How do I answer this question? Cant seem to figure out the answer.

For the reaction3 H2 (g)   +   N2 (g)    →   2 NH3 (g),how many grams of ammonia will be produced from 2.40 moles of hydrogen gas?

03/05/21

Sorry for asking for more help :(

How many liters of 3.87 M sulfuric acid are required to fully neutralize 698.5 mL of 8.16 M lithium hydroxide?Sorry I keep asking for help, but no matter how I do the problems or work them out I... more

03/04/21

I think I'm over thinking this

I feel like i'm over thinking this but every time i do it i get it wrong.Here's the problemIn a titration, 402.8 mL of a 7.16 M solution of hydrochloric acid is neutralized by with 0.359 L of... more
Stoichiometry Chemistry

03/04/21

Grams to Grams and Gas Stoichiometry Assignment

2 Al + 3 Cl2 --- > 2 AlCl3If 11.0 grams of aluminum reacts, how many liters of chlorine will be used?

03/03/21

Still very confused

A volume of 15.6 mL of a 0.45 M solution of hydrogen phosphate (or phosphoric acid) reacts completely with 54.7 milliliters of sodium hydroxide. What is the molarity of the sodium hydroxide solution?

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