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Mass Calculation
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Questions (229)
Kyla combined two amounts of cherries and then removed some. She ended up with 4.523 kg of cherries. What might the masses have
3 answers
asked by
Saad
259 views
A chemist reacted 0.05 mol of sodium with water to form 50cm3 of sodium hydroxide what was the mass of sodium reacted
Na+h2p-Noah
4 answers
asked by
Maria
546 views
By accident, a large plate is dropped and breaks into three pieces. The pieces fly apart parallel to the floor, with v1 = 3.05
3 answers
asked by
Tara
1,476 views
Magnesium combines with oxygen to form magnesium oxide. If 20.07 g of magnesium reacts completely with 6.70 g of oxygen, what is
4 answers
asked by
Mg Good
1,384 views
two objects attract each other gravitationally with a force of 2.5^-10N.when they are 0.25m apart. Their total mass is 4.00kg.
3 answers
asked by
rdw
1,990 views
2.4g of a compound of carbon, hydrogen and oxygen gave on combustion, 3.52g of CO2 and 1.44g of H2O. The relative molecular mass
3 answers
asked by
Bria
797 views
determine the mass (g) of SO2 that is produced byt the reaction of 15g of CS2 according to the following equation:
CS2 + 3O2 =
3 answers
asked by
jonathan
1,733 views
if 1.00 g of silver nitrate is combined with 1.00g of sodium chloride what is the mass of the solid if you have 75% yield?
3 answers
asked by
El
965 views
A 15.0% (by mass) NaCl solution is available.. Determine what mass of solution should be used to obtain
a. 2.50 mole of NaCl b.
3 answers
asked by
Tim
913 views
I have almost the same question as Josh from August 23rd.
If you use 10.0 g of CuSO4 and excess NH3, what is the theoretical
4 answers
asked by
Rebekah
1,385 views
4.214 × 1024 molecules of KCO2 has what mass?
3 answers
asked by
julius mitchell
60 views
What is the mass in 3.00 x 10 23 units of calcium chloride, CaCl₂? *
O 1.05 g O 79.5 g O 54.8 g O100 g
3 answers
asked by
Fox
110 views
The most massive automobile to have been manufactured on a regular basis was the Russian-made Zil-41047. If one of these cars
3 answers
asked by
Brody
237 views
Calculate the mass of Fe(NH4)2(SO4)26H2O in your unknown sample. Show you work.
Average mass of unknown sample:1.0714g
4 answers
asked by
Kayla
225 views
Li4(CO3)2+ 2 H2O +2 CO2 → 4 LiHCO3
What is the mass in grams produced of LiHCO3? The initial amounts of reactants are still:
3 answers
asked by
zeiguh lee
479 views
2 C2H6 + 7 O2 → 4 CO2 + 6 H2O
201.6 g C2H6 reacts with 400.0g O2 to make water.. What is the mass of H2O based on the above
3 answers
asked by
sarah lee
527 views
The density of copper is 8.96 g cm^−3 and its molar
mass is 64 g mol^−1. Calculate the mass of 1 atom of copper.
3 answers
asked by
Bob
746 views
A piece of zinc is added to 1000cm3 of 0.2mol/dm3 hydrochloric acid. After effervescence had stopped, 28cm3 of the resulting
2 answers
asked by
Jane
699 views
Calculate the mass of potassium hydrogen tartrate that is measured to prepare 100 mL of a 0.150 mol/L standard solution
4 answers
asked by
Rachel
814 views
the question says: Calculate the mass of soap (NaC17H35COO) which contains 1.25 grams of Carbon. Do I use the percentage
2 answers
asked by
Lauren
486 views
A chemist reacted 0.05 moles of sodium with water to form 50cm3 of sodium hydroxide solution.
Na + H2O -- NaOH + H2 (unbalanced)
4 answers
asked by
Jo
846 views
If you place 1.26 g of solid silicon in a 6.54 L flask that contains CH3Cl with a pressure of 634 mm Hg at 25°C, what mass of
3 answers
asked by
Julian
466 views
A standard sodium carbonate solution is prepared in a 250 cm^3 volumetric flask
during a titration,20 cm^3 of a 0,1 mol.dm^-3
2 answers
asked by
alex
1,065 views
Baking powder consists of 4 ingredients – CaHPO4, NaAl(SO4)2, NaHCO3 and
cornstarch. Using the guidelines below, determine the
3 answers
asked by
me
875 views
A mixture of {\rm NaCl} and {\rm NaBr} has a mass of 2.10{\rm g} and is found to contain 0.71{\rm g} of {\rm Na} What is the
1 answer
asked by
nurul
429 views
In a solution of Al2(SO4)3 the Al3+ concentration is .12 M. What mass of Al2(SO4)3 is in 50 mL of this solution. Please explain
5 answers
asked by
Van M
1,942 views
When sodium chloride reacts with silver nitrate, silver chloride precipitates. What mass of AgCl is produced from 192 g of
3 answers
asked by
Anonymous
1,542 views
Sodium reacts with chlorine to form the compound sodium chloride, or salt. The chemical formula below shows how the two elements
4 answers
asked by
deez
125 views
A sugar crystal contains approximately 1.7×10^17 sucrose (C12H22O11) molecules
What is its mass in mg?
4 answers
asked by
Mely
1,388 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
7 answers
asked anonymously
91 views
Aluminum is burned in O2 to give Al2O3. 74g of aluminum are mixed and reacted with 56g O2. What mass of aluminum oxide is
6 answers
asked by
sh
702 views
Will someone help me with this problem, please?
Calculate the mass in grams of 1.20*10^24 molecules of CO2. Well, convert it to
3 answers
asked by
Annette
794 views
Use the chemical reaction to answer the question.
CaCO3→CO2+CaO A scientist heats 30 grams of calcium carbonate (CaCO3 )
2 answers
asked by
EMILIANO
85 views
Use the chemical reaction to answer the question.
CaCO3→CO2+CaO A scientist heats 30 grams of calcium carbonate (CaCO3)
2 answers
asked by
me
105 views
CaCO3→CO2+CaO
A scientist heats 30 grams of calcium carbonate (CaCO3 ) in the chemical reaction shown. What is the total
2 answers
asked anonymously
89 views
Sodium reacts with chlorine to form the compound sodium chloride, or salt. The chemical formula below shows how the two elements
3 answers
asked by
answer this
94 views
Calculate the mass of KH2PO4 (136.09 g/mole) you will need to prepare 450 mL of the 0.05 M solution.
C=m/V 0.05=m/.450L
2 answers
asked by
Hailey
50 views
b) Find the mass of 6.42 × 1024 formula units
of NaBF4 (sodium tetrafluroborate). Answer in units of g.
3 answers
asked anonymously
35 views
What is the mass of caci formed when 5 moles of chlorine reacts within calcium metal
1 answer
asked by
Ephrata
227 views
Calculate the mass of 0.250 L of ethyl acetate , if the density of ethyl acetate is 0.90g / ml .
4 answers
asked by
Bryan
492 views
In a chemical reaction, two molecules with a total mass of 76 amu react to form a single molecule. What is the mass of the
7 answers
asked anonymously
63 views
if 1g of carbon dioxide is bubbled into 100g of a calcium hydroxide solution in a flask. what is the total mass of substance in
1 answer
asked by
jasmine
443 views
In recent years, scientists have discovered hundreds of planets orbiting other stars. Some of these planets are in orbits that
3 answers
asked by
Skyler
1,711 views
how do you find the mass of dehydrated sample?
mass of crucible and cover- 30.95 g mass of hydrated sample, crucible, and cover-
2 answers
asked by
LK
916 views
Fe3O4 + 4 H2 -> 3 Fe + 4 H2O
What mass (g) of Fe3O4 would be needed to react with 1.38 x 10^3 mol H2?
7 answers
asked by
Anonymous
559 views
Question
Use the chemical reaction to answer the question. CaCO3→CO2+CaO A scientist heats 30 grams of calcium carbonate
25 answers
asked by
shoto aizawa
138 views
Sodium reacts with chlorine to form the compound sodium chloride, or salt. The chemical formula below shows how the two elements
3 answers
asked by
Alana
298 views
calculate the mass of each product formed if 10.0 g of the first reactant is reacted with 10.0 g of the second reactant: NCl3 +
1 answer
asked by
Kevin
396 views
If a solid cube has a density of 9kg/m3 and a volume of 27 cubic meters, what is the mass of the cube?
A- 81kg B- 3kg C- 9kg D-
3 answers
asked by
James Mesch
933 views
find the mass of sodium chloride formed when 6.9g of sodium burns in a gas jar filled with chlorine gas.
1 answer
asked by
winston
418 views
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