308 Answered Questions for the topic stoichiometry

Stoichiometry Chemistry

1d

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

1d

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

1d

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

1d

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

5d

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

15d

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

18d

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

18d

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

18d

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

18d

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

21d

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

22d

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

23d

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

23d

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?
Stoichiometry Chemistry

03/03/21

more stoichiometry

If 200.8 g of carbon dioxide gas is made from the complete combustion of isopropanol (C3H7OH), how many moles of oxygen are used up?
Stoichiometry Chemistry

03/03/21

I do not understand stoichiometry

In the balanced chemical equation below, how many moles of copper(II) carbonate are made from the reaction of 42 grams of copper(II) sulfate and excess silver carbonate? CuSO4 + Ag2CO3 -->... more
Stoichiometry

03/02/21

Given the reaction: C3H8 + 5 O2 → 3 CO2 + 4 H2O

What is the total number of moles of O2 required to produce 1.5 moles of CO2? A) 5.0 B) 2.5 C) 3.0 D) 1.5

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