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Stoichiometry
Page 9
Questions (11,774)
The mass (in grams) of FeSO4*7H2O required for preparation of 125 mL of 0.90 M
4 answers
asked by
Snojika
1,577 views
Calculate the number of moles of H2SO4 in 500ml of 0.324M H2SO4 solution and calculate the number of grams of H2SO4 in 500ml of
4 answers
asked by
Zainab
1,759 views
H2S + 2NaOH -> Na2S + 2H2O
2.48g of sodium hydroxide is dissolved in water and 1.30g of hydrogen sulfide bubbled through the
4 answers
asked by
Anon
759 views
Nitroglycerin, C3H5(NO3)3, a solid explosive compound, decomposes to carbon dioxide, water vapor, nitrogen, and oxygen. (a)
4 answers
asked by
Kid
5,439 views
In 1985 benitoite became the California "state gemstone." Found only in a tiny mine near Coalinga, California, it is a silicate
3 answers
asked by
Joe
922 views
What mass of limestone will produce 11.2g of lime
4 answers
asked by
tehillah
835 views
if 125g of magnesium sulfate heptahydrate is completely dehydrated, how many grams of anhydrous salt will remain?
i would really
4 answers
asked by
rose
3,395 views
how many grams of hydrogen make up 3.5 moles of glucose C6H6O6?
a 1.7g b 3.5g c21.0g d 101.5g
6 answers
asked by
Anonymous
1,306 views
3.) One method used in the eighteen century to generate hydrogen was to pass steam through red-hot steel tubes. The following
7 answers
asked by
mhaidar9108
1,394 views
45.2 g of Mg(OH) 2 (s) is dissolved in enough water to make 1.00 L of solution. what is the concentration of the solution?
4 answers
asked by
lexi
432 views
12.5g of zinc trioxocarbonate (iv) znco3 were heated very strongly to a constant mass and the residue treated with excess
3 answers
asked by
Francis
633 views
What mass of hydrated copper(II) sulfate
(CuSO4·5H2O) is needed to prepare one liter of a 0.6675 molar solution of CuSO4? a.
7 answers
asked by
emma african
1,005 views
What mass (in grams) of iron(III) oxide contains 58.7 g of iron?
3 answers
asked by
Anonymous
1,152 views
6.10g of boron reacted completely with 22.9g of chlorine to give 29.0g of the metallic chloride. Calculate the empirical formula
9 answers
asked by
Kenry
2,006 views
How many grams of NH3 are present in 725 mL of gas at STP?
3 answers
asked by
haley
1,389 views
Combustion of a 0.1595 g of menthol
(156 g/mol) produces .449 g of Carbon Dioxide and 0.184 g of Water. What is the formula of
4 answers
asked by
Taylor
1,817 views
S8+4Cl2 -----> 4S2Cl2
A) what mass of S2Cl2 can be produced? B) what mass of the excess reactant remains When the limiting
3 answers
asked by
Lujing
1,563 views
One mole (mol) of any substance consists of 6.022 x 10²³ molecules
(Avogadro's number). What is the translational kinetic
3 answers
asked by
ABC_ABC
719 views
Calculate the volume of nitrogen that will be produced at S.T.P from the decomposition of 9.6g of ammonium dioxonitrate 3?
3 answers
asked by
Ọga mugu
723 views
Consider the following unbalanced reaction: Fe2O3 (s) + CO (g) --> Fe (s) + CO2 (g) How many moles of carbon dioxide are
4 answers
asked by
Akua
2,979 views
what volume of oxygen at 423.0K and a pressure of 127.4kPa will be produced by the decomposition of 129.7g barium peroxide to
4 answers
asked by
Adam
1,944 views
If 84.1 g of sodium hydroxide are reacted with 51.0 g of aluminum in the following equation:
2NaOH + 2Al + 2H2O --> 2NaAlO2 + 3H2
4 answers
asked by
Charles
1,217 views
How many mL of O2 will form from 55.2g KClO3?
4 answers
asked by
Tina
1,504 views
2Hg + O2---> 2HgO
If the total mass of the product, mercuric oxide, HgO, is 433.2 grams, what is the total mass of the Mercury
6 answers
asked by
Niall James Horan
532 views
An aqueous antifreeze solution is 40.0% ethylene glycol (C2H6O2) by mass. The density of the solution is 1.05 g/cm3. Calculate
3 answers
asked by
Sarah
2,807 views
A 2.241 g sample of nickel reacts with oxygen to form 2.852 g of the metal oxide. Calculate the empirical formula of the oxide.
1
3 answers
asked by
hannah
3,912 views
How many moles of iodine are produced from 7.00 moles of chlorine, according to the equation shown?
3Cl2(g) + 2FeI2(s) -->
3 answers
asked by
Mercedes
1,209 views
I am really confused on this problem pleas help me.
N2H4(l)+O2(g)(arrow)N2(g)+2H2O(g) a. How many liters of N2 (at STP) form when
5 answers
asked by
Alekya
3,986 views
CO + 2*H2 --> CH3OH
How many moles of each reactant are needed to produce 3.60 x 10^2g CH3OH? I appreciate anyone who helps me
3 answers
asked by
Wes
1,740 views
5.5g of impure iron required 7.5cm3 of 3.0M HCL and give neutral solution calculate the purity of iron
3 answers
asked by
Pilly
146 views
An impure sample of Na2SO4 weighed 1.562g. A BaSO4 precipitate from this sample weighed 2.496g. Calculate the percentage of
3 answers
asked by
peter
927 views
I was doing a lab experiment on the reaction of copper(II) sulphate and aluminum:
1) I measured 2.02g of copper(II) sulphate
4 answers
asked by
Patrick
1,906 views
how many moles of nh3 are produced from 16 grams of n2 ?
3 answers
asked by
jojo
526 views
Calcium carbonate can be decomposed by heating according to the equation Below. WHat is the percentage yield of calcium oxide in
4 answers
asked by
blah
1,248 views
calculate the theorectical yield of the compounds to be prepared in the experiment. The metal ion in both cases is the limiting
4 answers
asked by
Debbie
2,289 views
In this case, the inflection point, and
equivalence, occurs after 23.25mL of 0.40 M NaOH has been delivered. Moles of base at the
3 answers
asked by
John
715 views
How many milliliters of .50 M NaOH solution are required to titrate 40.0 mL of a 0.10 M H2SO4 solution to an end joint?
4 answers
asked by
lacey
1,901 views
SO3 can be produced in the following two-step process:
FeS2 + O2 ---> Fe2O3 + SO2 S02 + O2 ----> SO3 Assuming that all the FeS2
4 answers
asked by
Becky
2,707 views
255 grams of octane and 1510 grams of oxygen gas are present at the beginning of reaction that goes to completion and forms
2 answers
asked by
Keby
176 views
What is the mole ratio of C5 H12 to H2 in the following reaction? C5 H12→ C5 H8 + 2H2
2 answers
asked by
isaiah
239 views
A sample of impure magnesium was allowed to react with excess HCL solution. After 5.5 gram of the impure metal was treated with
3 answers
asked by
Anonymous
544 views
Calculate the concentration in g/dm3 of HNO3 in a solution (H=1; N=14; O=16)
1 answer
asked by
Michael
476 views
0.222g of a divalent metal is deposited when a current of 0.45ampere is passed through a solution of its salt for 25min using
3 answers
asked by
favour
732 views
6.54 of zink must react with excess dilute hydrochloride acid calculate the volume of the hydrogen at s.t.p zn+21+cl= zncl+ h(g)
4 answers
asked by
Mutmoinah
624 views
empirical formula for
K 60.0% C 18.5% N 21.5% and P 7.5% I 92.5%
3 answers
asked by
Mar
799 views
A 43.20 mL sample of 0.3260 M sodium hydroxide (NaOH) is required to react completely with 36.70 mL of a phosphoric acid (H3PO4)
3 answers
asked by
T
705 views
An aqueous solution contains three solutes. One liter contains: 0.200 moles of calcium chloride, 0.150 moles of magnesium
3 answers
asked by
Lisa
822 views
Calculate the volume of solution of 3.6 M NH4CI needed to prepare 350.0ml of 1.24 M NH4CI.
How many grams of ammonium chloride
3 answers
asked by
Donna
1,020 views
A mixture containing 11.9 g of calcium fluoride and 10.3 g of sulfuric acid is heated to drive off hydrogen fluorid. Given the
4 answers
asked by
Sara
614 views
In the following reaction, how many liters of carbon dioxide will be produced if 250 liters of oxygen is used in the combustion
4 answers
asked by
Jessica
1,262 views
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