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
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Stoichiometry Chemistry Chem

04/13/21

How many grams of potassium chromate are needed to form 36.3 g of potassium nitrate?
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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
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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
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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.
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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
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Stoichiometry Chemistry

04/10/21

If 201 g Fe2O3 is reacted with excess CO, what mass of CO2 will be produced? Fe2O3(s) + 3CO(g) → 3CO2(g) + 2Fe(s)
I need help ASAP
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Stoichiometry Chemistry

04/10/21

How many grams of CaCl2 could be obtained if 15.0 g HCl is allowed to react with excess CaCO3? Balanced Equation: CaCO3(s) + 2HCl(aq) → CaCl2(aq) + CO2(g) + H2O(l)
Basic StoichiometryI am really confused /
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Stoichiometry

04/09/21

How many grams of hydrogen gas are produced if 6 moles of hydrochloric acid reacts with 2 mole of Al?
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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
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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?
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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) 
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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) 
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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
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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
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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.
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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?
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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
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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?
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Stoichiometry Chemistry

03/16/21

3KOH + H3PO4= K3PO4 + 3H20 How many grams of H2O can be produced from 33.2 g KOH?

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Stoichiometry Chemistry

03/06/21

In the reaction N2(g) + 3 H2 (g) → 2 NH3 (g), how much ammonia would be produced from 1.0 mol of hydrogen and excess nitrogen? 1. 0.67 mol 2. 3.0 mol 3. 2.0 mol 4. 0.33 mol 5. 1.3 mol
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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
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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
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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?
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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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