310 Answered Questions for the topic stoichiometry

Stoichiometry Chemistry

12/09/20

You were given 1000.0 grams of nitrogen and excess (xs) hydrogen. How many grams of ammonia, NH3 could theoretically be produced?

N2 + 3 H2 → 2 NH3
Follows • 1
Expert Answers •1
Stoichiometry

12/04/20

Stoichiometry Question
Chlorine is used by textile manufacturers to bleach cloth.  Excess chlorine is destroyed by its reaction with sodium thiosulfate, Na2S2O3:Na2S2O3(aq) + 4Cl2(g) + 5H2O(aq) 🡪 2NaHSO4(aq) +... more
Follows • 1
Expert Answers •1
Stoichiometry Chemistry

12/04/20

When 70mL of a 2.5M nitric acid solution is reacted with 11g of copper metal, what is the most amount of nitrogen dioxide gas that is able to be produced?
4HNO3+Cu(s) --> 2H2O + Cu(NO3)2 + 2NO2
Follows • 1
Expert Answers •1
Stoichiometry Chemistry

11/13/20

You and your co-habitants use up 180 grams of glucose in cellular respiration. How many grams of oxygen are used up in this process? The equation for respiration is as follows:
C6H12O6 + 6O2 = 6CO2 + 6H2O
Follows • 2
Expert Answers •1
Stoichiometry Chemistry

11/09/20

According to the balanced reaction below, calculate the moles of NO2 that form when .00520 mole of N2O5 completely reacts: N₂O₅(g) → NO₂(g) + O₂(g)?
Follows • 1
Expert Answers •3
Stoichiometry Chemistry

10/22/20

What is the mass of 0.0586 moles of iron? and How many molecules are present in 0.0258 g of NH3?
Follows • 1
Expert Answers •1

10/16/20

5 Stoichiometry questions Please help
1(a) sodium and water react to give sodium hydroxide and hydrogen gas, H2 and 1.15 grams of sodium were added to excess oxygen and produced 1.6grams of sodium hydroxide. What was the percentage... more
Follows • 1
Expert Answers •1
Stoichiometry Chemistry

10/16/20

Explain How Stoichiometry is done
Hello I have a hard time with stoichiometry and would like to know how to do it the topic is very difficult for me and i get lost on the simple things so starting from the beginning would be great... more
Follows • 0
Expert Answers •1
Stoichiometry Chemistry Percipitation

10/09/20

Calculate the concentration of all remaining ions in solution after precipitation ends.
10.0 mL of 0.200 M Na2SO4 and 20.0mL of Pb(NO3)2I know I need to find the net ionic equation but once I get there how do I solve for each ion's molarity?
Follows • 2
Expert Answers •1
Stoichiometry Chemistry

09/21/20

Help me to answer some stoichiometry question 🙏
1. Given the following equation: 2 KClO3 ---> 2 KCl + 3 O2How many moles of O2 can be produced by letting 12.00 moles of KClO3 react?2. Given the following equation:2 C4H10 + 13 O2 ---> 8 CO2... more
Follows • 2
Expert Answers •1
Stoichiometry Math Chemistry Biochemistry

09/21/20

need help with a homework problem, very advanced
Guanine is an essential component of DNA. It contains the elements carbon, hydrogen,nitrogen and oxygen. When 615 mg of guanine is burned, 895 mg of carbon dioxide and 183 mgof water are formed. In... more
Follows • 2
Expert Answers •1

09/21/20

why do you assume 100 g of a substance when given percentages?
when given a problem and the elements of a compound are given in percentages, i don't understand why you can just assume that it's 100g of the compound. why couldn't it be 200g or 700g of the... more
Follows • 2
Expert Answers •1
Stoichiometry Science Chemistry Homework

09/11/20

If you burn 33.7g of hydrogen and produce 301g of water, how much oxygen reacted?
In the combustion of hydrogen gas, hydrogen reacts with oxygen from the air to form water vapor.Hydrogen + Oxygen —> WaterIf you burn 33.7g of hydrogen and produce 301g of water, how much... more
Follows • 2
Expert Answers •2
Stoichiometry Chemistry

09/11/20

8 stoichiometry questions

1) Sulfur burns in excess air to form sulfur dioxide according to the equation: S(s)+O2(g)-> SO2(g)What volume of sulfur dioxide is produced (at room temperature and pressure) from 24g of... more
Follows • 2
Expert Answers •2
Stoichiometry Chemistry

06/28/20

How many grams of barium salt are produced when a solution containing 42.3 g of Barium nitrate is mixed with a solution containing excess sodium chloride?
Barium nitrate (Ba(NO3)2) reacts with sodium chloride (NaCl) in a double replacement (displacement) reaction, shown below. Ba(NO3)2(aq)+NaCl(aq)-->???Use 261.34 as the molar mass for barium... more
Follows • 1
Expert Answers •1
Stoichiometry Chemistry

06/17/20

What is the mass of NaCl produced when 2.0 moles of chlorine gas are reacted with excess sodium? 2 Na + Cl2 -> 2 NaCl

Follows • 1
Expert Answers •1
Stoichiometry Chemistry

06/16/20

What is the mass of hydrogen produced when 8.0 g of sodium reacts with an excess water to produce hydrogen and sodium hydroxide? 2 Na + 2 H2O -> 2NaOH + H2 (Please help, thank you!)
Follows • 1
Expert Answers •1
Stoichiometry Chemistry

06/16/20

What is the mass of NaCl produced when 2.0 moles of chlorine gas are reacted with excess sodium? 2 Na + Cl2 -> 2 NaCl (Please help, thank you!)
Follows • 1
Expert Answers •1
Stoichiometry Chemistry

06/16/20

How many moles of oxygen are required to burn 3.0 mole of C10H8 (naphthalene)? (Please help, thank you!)
Follows • 2
Expert Answers •2
Stoichiometry Science Chemistry

05/30/20

what would the right answer be

Gold dissolves in the acid mixture known as aqua regia according to the following balanced reaction: Au + HNO3 + 3 HCl --> AuCl3 + NO + 2H2O If... more
Follows • 0
Expert Answers •1
Stoichiometry Chemistry

05/16/20

How many mL of 1 M HNO3 are needed to neutralize 500 mL of 2.0 M Ca(OH)2?
HNO3****Ca(OH)2********
Follows • 1
Expert Answers •2
Stoichiometry Chemistry Grams To Grams

05/12/20

URGENT!! TELL ME THE FORMULA

on a glass of 20g of copper oxide(II) is added 0.2dm3 h2so4,caclulatr the amount of CuSO4 formed by this reaction?
Follows • 2
Expert Answers •1
Stoichiometry Chemistry Moles

05/02/20

Calculate mass in g of Cu(OH)2 left behind after incomplete heating?
12.07g of CuSO4*5H2O is reacted with enough NaOH to completely precipitate Cu(OH)2. The Cu(OH)2 is not heated long enough, so exactly 35.27 percent of Cu(OH)2 is converted to CuO. How much Cu(OH)2... more
Follows • 1
Expert Answers •1
Stoichiometry

05/01/20

How many grams of mgcl2 will be produced from 12g of mg(oh)2 and 42g of hcl
Follows • 1
Expert Answers •1
Stoichiometry Chemistry

04/28/20

How much sodium hydroxide must you start with to yield 145 g of aluminum hydroxide
given the equation: Al2(SO3)3+ 6NaOH ----> 3Na2SO3 + 2Al (OH)3 and you start with 389.4 g of Al2(SO3)3 and isolate 212.4 g of Na2SO3 How much sodium hydroxide must you start with to yield 145 g... more
Follows • 2
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.