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Molar Mass Calculation
Page 2
Questions (352)
A .2688-g sample of a monoprotic acid neutralizes 16.4 mL of .08133 M kOH solution, calculate the molar mass of the solution?
Fir
4 answers
asked by
Bob
1,559 views
A chemical reaction produced a 0.311 g sample of gas which occupied 225 mL at 55 C exerting a pressure of 886 mm Hg. What is the
4 answers
asked by
JScholz
1,349 views
A gaseous compound has a density of 0.355 g/L at 17 degree celcius and 189 mmHg. What is the molar mass of the compound?
4 answers
asked by
Eunice
2,106 views
Determine the quantity (g) of pure CaCl2 in 7.5 g of CaCl2*9H2O
4 answers
asked by
ali
4,879 views
a student determines the molar mass of methanol by the method used in this experiment. she found that the equilibrium
3 answers
asked by
liz
2,477 views
The molar mass of a compound is 92 g/mol. What is the molecular formula for a sample containing 0.606g Nitrogen and 1.390g
4 answers
asked by
Salt
2,063 views
a sample bulb contained 0.712g of H2(g) at a certain temperature and pressure. At the same temperature and pressure, the bulb
4 answers
asked by
Anonymous
615 views
Need help solving this problem.
A 0.188g sample of unknown metal, X (s), produced 71.4ml of hydrogen gas when reacted with HCl
4 answers
asked by
Louis
2,691 views
In a titration, 3.4 g of an acid (HX) requires 21.5 mL of 0.85 M NaOH(aq) for complete reaction. What is the molar mass of the
4 answers
asked by
Lulu
1,162 views
number of mole in 850.5g of zinc
4 answers
asked by
kelveyun
1,087 views
What si the molar mass of Pb3(PO4)2 in units of g/mol?
4 answers
asked by
Anonymous
1,603 views
Calculate the mass of Na2S2O3•5H2O needed to prepare 250.0 ml of 0.2000 M solution. Note, include the 5 waters in your
3 answers
asked by
Sjk
120 views
An unknown diprotic acid requires 26.66 mL of 0.117 M NaOH to completely neutralize a 0.845 g sample. what is the molar mass of
3 answers
asked by
mathew
1,729 views
What is the molar mass of calcium acetate, Ca(C2H3O2)2?
2 answers
asked by
Becky
990 views
calculate number of grams of iron in one mole of ferrous ammonium sulfate.hint how many moles are in one mole of ferrous
3 answers
asked by
kelly
1,568 views
A 0.642 g sample of an unknown gas was collected over water at 25 C and 1.04 atm. The collection cylinder contained 151.3 mL of
4 answers
asked by
Anonymous
1,901 views
How many moles of carbon, hydrogen, and oxygen are present in a 100-g\rm g sample of ascorbic acid?
3 answers
asked by
helen
1,662 views
How much water, in grams, can be made from
6.82 × 1024 hydrogen molecules? Answer in units of g
3 answers
asked by
Anonymous
2,755 views
What mass of magnesium, Mg, contains the same number of atoms as 12g of Carbon, C
Could you please show the method too Thanx :)
4 answers
asked by
Jannie
1,117 views
An unknown gas Q requires 2.17 times as long to effuse under the same conditions as the same amount of nitrogen gas. What is the
3 answers
asked by
ria
1,392 views
calculate the mass carbon monoxide, CO, that was needed to produce 78g of methanol, CH3OH, by the following reaction: 2H2 + CO -
4 answers
asked by
lisa
1,939 views
If 1.00 L of an unknown gas at STP has a mass of 5.40 g,what is the molar mass?
3 answers
asked by
Cliff
608 views
Determine the molar mass of the following elements:
a. manganese, Mn c. arsenic, As b. cadmium, Cd d. strontium, Sr
3 answers
asked by
Jameisha
820 views
A 0.571 g sample of a metal, M, reacts completely with sulfuric acid according to
M(s)+H2SO4(aq)⟶MSO4(aq)+H2(g) A volume of 247
3 answers
asked by
brobro
586 views
QUESTION: How do you determine the molar mass of the unknown, nonelectrolyte compound for each trial?
This is for a lab. My data
3 answers
asked by
Jamie
929 views
How can I find the number of mole of 0.25g of CuSO4?
3 answers
asked by
culleyn
521 views
A student completes a titration of an unknown diprotic acid. In this experiment, 0.79 g of the acid is dissolved in 250.0 mL of
3 answers
asked by
Nevaeh
1,179 views
A gas weighing 23.6 g occupies a 10.0 L flask at 27 C and 780. torr of pressure. Calculate the molar mass of the gas.
3 answers
asked by
Ron
959 views
what is the mass in grams of the following 6.78 mol of NaI
3 answers
asked by
Gloria
411 views
A mass of 0.4113 g of an unknown acid, HA, is titrated with NaOH. If the acid reacts with 28.10 mL of 0.1055 M NaOH, what is the
4 answers
asked by
Tiffany
3,637 views
How many grams of fluorine are needed to produce 120. g of phosphorus trifluoride if the reaction has a 78.1% yield from the
2 answers
asked by
Anonymous
838 views
The freezing point of a cyclohexane sample is 6.20*C. A soltuion is prepared by dissolving 0.4660g of an unknown solute in 36.0g
3 answers
asked by
K
2,242 views
molar mass 10 g of Cu(OH)2
3 answers
asked by
p
23 views
How many atom of oxygen are present in 8.8g of carbon(iv)oxide
4 answers
asked by
paul
776 views
Calculate the molar mass of a gas if 4.40g occupies at 3.50 L at 560mmHg and 41 degrees celsisus
4 answers
asked by
to
1,199 views
This same substance is a gas with a density of 1.25 g/L at 127o
C and a pressure of 400 torr. What is its molar mass ?
3 answers
asked by
KC
382 views
A solution containing 29.00 mg of an unknown protein per 22.0 mL solution was found to have an osmotic pressure of 3.10 torr at
2 answers
asked by
mmp
1,246 views
Vitamin K is involved in normal blood clotting. When 2.32 g of vitamin K is dissolved in 25.0 g of camphor, the freezing point
3 answers
asked by
Abdul
913 views
Calculate the number of grams of xenon in 3.566 g of the compound xenon tetrafluoride.
3 answers
asked by
Chemistry
2,904 views
You dissolve 1.05 grams of an unknown diprotic acid in 200.0 mL of H2O. This solution is just neutralized by 5.00 mL of a 1.00 M
4 answers
asked by
Tayla
916 views
what is the molar mass of a gas if 26.0L of the gas has a mass of 43.6g at 1.10 atm and 10.0 C?
3 answers
asked by
dee
380 views
A vilatile liquid was allowed to evaporate in a 43.298 g flask that has a total volume of 252 ml. The temperature of the water
4 answers
asked by
Linda
929 views
How many molecules are there in 352 grams of C2OH4?
3 answers
asked by
julius mitchell
61 views
what is relative molecular mass of 10.5g of XHCO3, if the mass of C in it is 1.50g? calculate the mass of hydrogen
3 answers
asked by
Bhadmus
110 views
What is the molar mass of a compound given that 0.035g of the gaseous compound occupies 30cm3 at r.t.p
3 answers
asked anonymously
78 views
the molar mass of NaOH is 40g/mol, how many grams ofNaOH are required to yield 0.65 mol?
4 answers
asked by
Lina
505 views
Vitamin K is involved in normal blood clotting. When 1.36 g of vitamin K is dissolved in 25.0 g of camphor, the freezing point
4 answers
asked by
Nefret
1,406 views
The gaseous product of a reaction is collected in a 30.0 L container at 37 degrees C. The pressure in the container is 2.5 atm
3 answers
asked by
Kat
458 views
Calculate the mass in grams of 2.50 mol iron(II) hydroxide.
A. 29.5 g Fe(OH)2 B. 184.5 g Fe(OH)2 C. 225 g Fe(OH)2 D. 3.38 x 10-2
2 answers
asked by
Cathy
1,177 views
how many moles of Nitrogen are in 80g of N2O?
3 answers
asked by
Eddie
775 views
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