Questions LLC
Login
or
Sign Up
Ask a New Question
Stoichiometry
Page 3
Questions (11,726)
If 50.0 g of silicon dioxide is heated with an excess of carbon, 27.9g of silicon carbide is produced.
SiO2(s) + 3C(s) --> SiC(s)
5 answers
asked by
Kim
8,637 views
Using your answer from Part A, calculate the volume of a mole of Na atoms (in cm3/mol ). Assume that the entire volume is
17 answers
asked by
sara
8,077 views
Consider the balanced chemical equation: 3Sr(OH)2(aq) + 2H3PO4(aq) → Sr3(PO4)2(s) + 6H2O(l). How many moles of Sr(OH)2 remain
7 answers
asked by
Mike
5,155 views
An excess of a divalent metal M was dissolved in a limited volume of hydrochloric acid. If 576cm^3 of hydrogen were liberated at
7 answers
asked by
Adebayo
1,896 views
In one process 4 grams of sulphur was burnt in 48 decimetre cube of oxygen measured at room temperature. What is the limiting
5 answers
asked by
Jay
1,764 views
Determine the percent yield for the reaction between 98.7g of Sb2S3 and excess oxygen gas if 72.4g Sb4O6 is recovered along with
7 answers
asked by
kate
7,818 views
A sample of a hydrate of CuSO4 with a mass of 250 grams was heated until all the water was removed. The sample was then weighed
5 answers
asked by
cam
3,661 views
how many kg of h20 must be added to 75.5g of Ca(NO3)2 to form a 0.500 m solution?
5 answers
asked by
lynda smith
3,450 views
How many grams of K2SO4 would you need to prepare 1500 g of 5.0% K2SO4 (m/m) solution?
5 answers
asked by
Jack
7,189 views
A 1.575 g sample of ethanedioic acid crystals, H2C2O4. xH20 was dissolved in water and made up to 250cm^3 . One mole of the acid
6 answers
asked by
Jack
5,672 views
How many formula units would there be in a 54.3 gram sample of sodium nitrate
7 answers
asked by
gbolahan
2,489 views
A 25.0-mL sample of H2SO4 is neutralized with NaOH. What is the concentration of the H2SO4
if 35.0 mL of 0.150 M NaOH are
6 answers
asked by
tiya
5,816 views
The equation for burning C2H2 is
2C2H2(g) + 5O2(g) ⎯→ 4CO2(g) + 2H2O(g) a. If 15.9 L C2H2 react at STP, how many moles of CO2
5 answers
asked by
rob
3,623 views
Aluminum bromide and sodium hydroxide react to form aluminum hydroxide and sodium bromide.
a.)How many moles of sodium bromide
5 answers
asked by
Kelsi
4,572 views
How many grams of NaCl must react to produce 1.00 g Cl2?
6 answers
asked by
brigette
2,365 views
If the mass percentage of water in FeSO4 X H20 is 45.3%, find the number x?
4 answers
asked by
Azur
4,922 views
The formaldehyde content of a pesticide preparation was determined by weighing 0.3124g of the liquid sample into a flask
5 answers
asked by
Ellen
3,353 views
When 50 mL of 1.0 M AgNO3 is added to 50 mL of 0.50 M HCl, a precipitate of AgCl forms. After the reaction is complete, what is
5 answers
asked by
Anonymous
1,232 views
If 15.omL of 0.0250 M aqueous H2SO4 is required to neutralize 10.0 mL of aqueous solution of KOH, what is the molarity of the
5 answers
asked by
Tina
2,435 views
calculate how many grams of chloride ions are present in 50 grams of ocean salts
4 answers
asked by
T-perry
1,021 views
What volume of 0.5 BaCl2 are needed to have 0.1moles of BaCl2
4 answers
asked by
Anonymous
1,096 views
Silver oxide is used in small batteries called button batteries (Figure below). It decomposes upon heating to form silver metal
3 answers
asked by
Makayla Brad
939 views
calculate the mass of the water of hydration if a hydrate loses 0.025 mol of H2O when heated
3 answers
asked by
Sherry
1,613 views
How many grams of KClO3 must react to form 42.0 mL?
4 answers
asked by
Mia
1,899 views
If you had 106.35 grams of Cl, how much Na would be required to convert i all to NaCl. I worked this problem and got 41.83 grams
1 answer
asked by
Eliza
405 views
Methanol (CH3OH) is used in the production of many chemicals. methanol is made by reacting carbon monoxide and hydrogen at high
5 answers
asked by
Skye
5,338 views
11. How many moles of CO2 would be produced from 56 moles of O2 according to the following balanced equation?
2 C2H6 + 7 O2 --->
7 answers
asked by
Sarah
5,402 views
Determine the final volume of the solution if 0.783 grams of Na2CO3 is used to make a 0 348 M solution
Show all calculations
2 answers
asked by
Bonia
114 views
1g mixture of Cu2O and CuO on heating gives 0.88g of copper. Calculate % of CuO in mixture
4 answers
asked by
Durrani
2,323 views
Conservation of mass apply
Use the chemical equation to answer the question. 2Na + Cl2 → ?NaCl In the reaction, sodium and
25 answers
asked by
Shottaflow3k
2,023 views
When copper(II) nitrate reacts with sodium hydroxide, copper (II) hydroxide is produced. How many grams of Cu(OH)2 can be
5 answers
asked by
Ethan
2,686 views
Determine the empirical formula for each substance.
1. A dead alkaline battery is found to contain a compund of Mn and O. Its
6 answers
asked by
peter
4,174 views
What mass of O2 would be needed to burn 11g of the propane gas?
7 answers
asked by
Gabriel A.
3,270 views
6.0g of cobolt (II) carbonate was added to 40cm3 of hydrochloric acid, concentration 2.0 mol/dm3. Calculate the maximum yield of
4 answers
asked by
RM
5,356 views
A solution contains 1.694 mg of CoSO4 (MW 155.0) per mL. Calculate
a) The volume of 0.008640 M EDTA needed to titrate a 25.00 ml
4 answers
asked by
Sam
4,420 views
If 6.5g of zinc react with 5.0 of HCl according to the following reactant, which substance is the limiting reactant? How many
7 answers
asked by
samrawit
5,465 views
What volume of O2 is required to react with excess CS2 to produce 4.0L of CO2 Assume all gases at STP.
Not sure what I am doing
7 answers
asked by
T
13,106 views
How many liters of sulphur trioxide are formed when 4800cm3 of sulphur dioxide is burned in air?
10 answers
asked by
Abel kinde
4,396 views
why can I not use the formula m1v1=m2v2 for the following question: What volume of 1.20 M NaOH will be needed to neutralize 225
6 answers
asked by
drew
5,989 views
A 10.000 g sample of water contains 11.19% H by mass. What would by the %H in a 20.000 g sample of water?
I got 22.38%, would
7 answers
asked by
Anonymous
3,622 views
Hydrogen and chlorine react to yield hydrogen chloride: H2+ Cl2 ( 2HCl. How many grams of HCl are formed from reaction of 3.56 g
5 answers
asked by
Anonymous
7,362 views
Deduce the number of nitrogen atoms in:
5.00 x 10^-3 mol of ammonia, NH3 and 4.601 g of nitrogen dioxide, NO2
6 answers
asked by
Syndra
4,309 views
Indicate the number of equivalents in each of the following:
4mol Mg2+ 0.1mol H+ 2mol Cl- 3mol Fe3+
5 answers
asked by
Katherine
10,242 views
A test of an automobile engine exhaust revealed that 3.7g of NO2 was emitted in 10 minutes of operation. How many moles of NO2
4 answers
asked by
PJcotieboi
3,147 views
CuCO3=CuO +CO2.
Find the mass of 1mole of each substance taking part in the reaction. (Ar:Cu=64,C=12,O=16). When 31g of CuCO3 is
6 answers
asked by
Busola
5,263 views
if 8.6L of H2 reacted with 4.3L of O2 at STP, what is the volume of gaseous water collected (assuming none of it condenses)?
5 answers
asked by
Anonymous
7,241 views
In an experiment 3.10g of carbon, hydrogen and oxygen produced 4.4g of C02 and 2.7g of water on complete combustion. Determine
5 answers
asked by
The Okome
2,696 views
How many grams of solid NaOH are required to prepare 500 ml of a 0.04 M solution? (b) Express the concentration of this solution
5 answers
asked by
Karar Samet
3,532 views
Consider the reaction
2Al + 3CuSO4 = Al2(SO4)3 + 3Cu What is the maximum amount of Cu (63.5 g/mol) that could be produced by
4 answers
asked by
Annalie
4,730 views
Water is added to 4.267 grams of UF6. The only products are 3.730 grams of a solid containing only uranium, oxygen and fluorine
4 answers
asked by
Deanne
4,523 views
Pages
1
2
3
4
5
6
7
8
9
10
Parent Categories (80)
Acid-base reactions
Acid-Base Titration
Analytical Chemistry
Atomic and Molecular Structure
Atomic Mass
Atomic Mass and Formulas
Atomic Structure
Atomic Structure and Chemical Formulas
Atomic Structure and Molecules
Atomic Structure/Molecular Structure
Atoms and Molecules
Balancing Chemical Equations
Basic Concepts
Chemical Analysis
Chemical Bonding
Chemical calculations
Chemical Composition
Chemical Compounds
Chemical Equations
Chemical Equations and Calculations
Chemical equations and reactions
Chemical Equations and Stoichiometry
Chemical Equations/Reactions
Chemical Equilibrium
Chemical Formulas
Chemical Formulas and Composition
Chemical Formulas and Equations
Chemical Formulas/Equations
Chemical Reactions
Chemical reactions and calculations
Chemical Reactions and Equations
Chemical Reactions, Sub-sub-category: Stoichiometry
Chemical Reactions/Calculations
Chemical Reactions/Equations
Chemical Reactions/Titration
Chemistry
Chemistry Education
Chemistry or Physical Sciences
Combustion
Combustion Reactions
Coordination compounds
elements and compounds
Enthalpy Change Calculation
Equations
Equations and Reactions
Equilibrium Reactions
Gas Laws
Gaseous Reactions
Gases
General Chemistry
Inorganic Chemistry
Laboratory Techniques
Law of Conservation of Mass
Matter and Reactions
Molarity
Molarity calculations
Molecules and Compounds
Neutralization reactions
Organic Chemistry
Physical Chemistry
Precipitation reactions
Quantitative Analysis
Reactants and Products
Reaction
Reaction calculations
Reaction rates
Reactions
Reactions and Equations
Reactions and Solutions
Reactions/Equations
Reactivity and Combustion
Redox Reactions
Science/Chemistry
Solution Preparation
Solutions
Solutions and Concentrations
Synthesis Reactions
Thermochemistry
Titration
Word problem