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Stoichiometry
Page 10
Questions (11,820)
A bottle of vintage port wine has a volume of 750ml and contains 135ml ethanol. Ethanol has a density of 0.789g/ml. What is the
3 answers
asked by
Anonymous
547 views
A 6.70 g sample of a binary mixture of silver (I) nitrate and sodium nitrate is completely
dissolved in water to make a solution.
3 answers
asked by
Anonymous
826 views
How many grams of lead (II) chloride (PbCl2) are produced from the reaction of 7.000 g of NaCl and 50.400 g of
15 answers
asked by
ezile
191 views
If the theoritical yield of PbCl2 is 16.547 g from the reaction of 7.000 g of NaCl with 50.400 g of Pb(NO3)2. Calculate the %
2 answers
asked by
ezile
158 views
Mass relationships in chemical reaction.Make a solution
For the combustion of ethane,beginning with 0.27 mole of CH3 CH3. How
1 answer
asked anonymously
116 views
Fe can be prepared as 2 Al + Fe2O3 ----> 2 Fe + Al2O3. Suppose that 0.450 moles of Fe2O3 are reacted with an excess of Al.
4 answers
asked by
Sarah
1,975 views
How many milliliters of 0.10 M HCl must be added to 52.0 mL of 0.40 M HCl to give a final solution that has a molarity of 0.25
1 answer
asked by
Lach
468 views
Lithium reacts with nitrogen gas according to the following reaction: 6Li(s)+N2(g)-->2LiN(s)
What mass of lithium (in g ) is
6 answers
asked by
JULIE
12,436 views
Calculate the number of grams required to make 250 mL of a 0.020 M KIO3 solution.
6 answers
asked by
Kelli
2,845 views
How many milliliters of 0.100 M HNO3 are needed to neutralize the following solutions?
A. 45.0 mL of 0.667 M KOH B. 58.5 mL of
7 answers
asked by
Bekah
8,407 views
What is the mass of Caco3 containing 67.2 liters of o2 at STP?
4 answers
asked by
The WISE
79 views
how many atoms are in 3 N₂O
1 answer
asked by
mya
113 views
25g of a sample of ferrous sulphate was dissolved in water containing dilute h2s04 and the volume made up to one litre. 25ml of
1 answer
asked by
Fai
527 views
at elevated temperature, NaHCO3 (83.98g/mol) is converted quantitatively to Na2CO3 (105.98g/mol).Ignition of 0.3592g sample of
4 answers
asked by
Anonymous
2,524 views
N2 (g) + 3H2 (g) -> 2NH3 (g)
assume 4 molecules of nitrogen and 9 molecules of hydrogen are present. after complete reaction, how
4 answers
asked by
cook
7,947 views
what is the theoretical mole ratio- NaCl to NaHCO3
How do you determine the percentage error of an experimental mole ratio It
5 answers
asked by
CHEMISTRY HELP
7,191 views
How many mole are present in 2.45x10^23 molecules of CH4? ( CH4= 16.05)
7 answers
asked by
Mike
5,932 views
Hydrogen gas can be produced by reacting aluminum with sulfuric acid. How many moles of sulfuric acid are needed to completely
4 answers
asked by
Anonymous
2,163 views
How many mol of xenon hexafluoride are produced from 4.01 x 10^2 mol of fluorine (F2)?
Xe + 3F2 -> XeF6 A. 1.79 x 10^1 mol XeF6
6 answers
asked by
Michael
945 views
A reaction vessel contains 7.92 g of CO and 7.92 of O2. How many grams of CO2 could be produced according to the follow
5 answers
asked by
Madison
5,828 views
consider the following reaction AgNO3+KBr=AgBr+KNO3
calculate the amount of presipitate in gram obtained when 0.25 mole of AgNO3
5 answers
asked by
Shivtej
2,451 views
Sodium (Na) reacts with chlorine gas (Cl2) to form sodium chloride (NaCl) as shown in the equation
2Na+Cl2=2nacl If 4 moles of
4 answers
asked by
Jam
2,790 views
Suppose that you could decompose. 0.250. Mall of AG2S into it. element. How many moles of silver do you have? And how many moles
4 answers
asked by
anonymous _25
112 views
All chemist. weighs A cylinder Of compressed oxygen O2. And finds that it Has a mass of 102 7.8 gram. After some of the oxygen
7 answers
asked by
anonymous _25
132 views
A 1.605g sample of dry calcium carbonate and calcium chloride mixture was dissolved in 35.00mL of 1.000mol-dm-3 hydrochloric
4 answers
asked by
:)
802 views
An excess of silver nitrate solution was added to 10.0cm3of sodium chloride solution, and 0.717g of silver chloride was
4 answers
asked by
Jack
1,313 views
When 1 mol of CH4 is burned, 490 kJ of energy are released as heat.
CH4 + O2 -> 2H2 + CO2 If 3.2g of CH4 are burned, what is the
1 answer
asked by
Caitlyn
706 views
The total number of items in 8.5 grams of NH 3 is.
4 answers
asked by
anonymous _25
114 views
What is the Van't Hoff factor for NaSO3
2 answers
asked anonymously
78 views
Ammonia gas reacts with oxygen gas according to the following equation:
4NH3 + 5O2----4NO + 6H2O a. How many moles of oxygen gas
6 answers
asked by
Jonathan
4,860 views
1 mole of oxygen gas and 2 moles of ammonia are placed in a container and allowed to react at 850 C according to the equation:
4N
3 answers
asked by
dory
830 views
Given the chemical equation, Cl2 + F2 2ClF, how many moles of ClF are produced in the reaction, if 1.50 moles Cl2 are made to
6 answers
asked by
Matthew
1,604 views
what volume 0,100M of Na2PO4 is required to precipatate all the lead(II) ions from 150 ml of 0.250M Pb(NO3)2
1 answer
asked by
mathew
460 views
C2H4+3 O2->2 co2+2 H2O
If you start wit 45 grams of C2H4 how many grams of carbon dioxide will be produced?
5 answers
asked by
anon
5,552 views
I am a student in the ninth grade and I need help with the following problems because I do not understand how to do them. I
8 answers
asked by
Theodore
1,226 views
Can anyone please help me with this problem?? =/
The reaction between solid sodium and iron (III) oxide is one in a series of
2 answers
asked by
Layla
690 views
How much Al is needed to react with 675
mL of 0.655M HCl solution according to the reaction => 2Al + 6HCl→2AlCl3+ 3H2 Help your
3 answers
asked by
Farrell
668 views
A 7.7 g sample of iron ore is treated as follows.
The iron in the sample is all converted by a series of chemical reactions to
2 answers
asked by
Jacky :)
848 views
The reaction of 5.7 grams of fluorine with
excess chlorine produced 7.6 grams of ClF3. What percent yield of ClF3 was obtained?
4 answers
asked by
Rachel
2,146 views
I need to determine the moles of EDTA in a 1:1 stoichemetric titration of a 10.0 mL aliquot of .2108 g of CaCO3 dissolved in
2 answers
asked by
Chad Carl
523 views
An emergency breathing apparatus often placed in mines works via the following chemical reaction: 4KO2(s) + 2CO2(g) to make
3 answers
asked by
Jenn
2,806 views
Regarding the question I posted earlier (How many mL of an impure liquid CS2 mixture (density 1.26 gmL-1) which contains 93.0%
4 answers
asked by
Duffy
475 views
What is the diffrence between relative abundance and percent abundance?
4 answers
asked by
Sarah
2,241 views
5C(s) + 2SO2(g) > CS2(l) + 4CO(g)
How many moles of carbon monoxide form at the same time that 0.246 mol CS2 forms?
5 answers
asked by
Tristan
6,575 views
Nitroglycerin, an explosive compound, decomposes according to the equation below.
4 C3H5(NO3)3(s) 12 CO2(g) + 10 H2O(g) + 6 N2(g)
3 answers
asked by
Tanisha
1,424 views
Consider the reaction of 82.0 g of oxygen as follows:
4Fe + 3O2 2Fe2O3 How many moles of oxygen react? How many moles of iron
1 answer
asked by
Samuel
612 views
What mass of iodine contains the same number of atoms at 25.0 g of chlorine?
4 answers
asked by
Anonymous
3,165 views
After subtracting the weight of the container, the Vanadium metal inside is
found to weigh 8.34 grams. After reacting with Oxygen
2 answers
asked by
Ivy
483 views
A 0.500 g sample of a BaCl2•2H2O/Na2SO4 salt mixture, when mixed with water,
filtered, and dried, produced 0.225 g of BaSO4.
3 answers
asked by
emma
490 views
An amount of 1.250g of an alloy (90% Ag, 10% Cu) was treated with HNO3 and H2SO4 to form Ag2SO4 and CuSO4. The solution was then
3 answers
asked by
Anonymous
2,513 views
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