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Molar Mass Calculation
Page 6
Questions (351)
How many grams are there in 2.5 moles of CuSO4.5H2O?
2 answers
asked by
Shane
564 views
What is the molar mass of Ag2CrO4
I think you should search in askforkids website. I went there and I got help with my English
1 answer
asked by
Tasheena
591 views
Using the data collected for part b on your data sheet, calculate the molar mass of the unknown acid. Include the calculation
2 answers
asked by
Josh
591 views
A solution was made by dissolving 62.07grams of a compound in 500g of water. The compound was not ionic. The freezing point of
2 answers
asked by
Hannah
606 views
C2H5OH+O2-CH3COOH+H2O
HOW MANY MOLES OF ETHANOL IN 5g
4 answers
asked by
andrew
566 views
calculate the molar mass of an unknown whose mass was 0.846 g, and occupied a volume of 354 cm3 at a pressure of 752 torr and a
2 answers
asked by
Carla
572 views
How many moles of carbon, hydrogen, and oxygen are present in a 100-g\rm g sample of ascorbic acid?
2 answers
asked by
helen
557 views
A 100.0 ml aqeuous solution that contains 0.50 g of hemoglobin has an osmotic pressure of 0.00178 atm. What is the molar mass of
4 answers
asked by
victoria
567 views
How many grams of Al(NO3)3 are needed to prepare 25.0 mL of a 0.750 M aqueous solution.
2 answers
asked by
joan
571 views
In a titration, 4.1 g of an acid (HX) requires
32.8 mL of 0.74 M NaOH(aq) for complete reaction. What is the molar mass of the
2 answers
asked by
Anonymous
548 views
What is the molar mass of a compound if a gaseous sample has a density of 2.807 g/L at 18 °C and 728 torr?
3 answers
asked by
Joe
547 views
3.15 g of an unknown gas at 53 °C and 1.00 atm is stored in a 1.55-L flask. The gas has a density of 2.03 g/L. What is the
2 answers
asked by
Harley
556 views
Elemental analysis is performed on an organic liquid with a fishy odor. Vaporization of 260.0 mg of the compound in a 110 mL
2 answers
asked by
Kwame
566 views
Calculate what mass of carbon disulfide molecules contains the same number of sulfur atoms as 100.0 g of sodium sulfate.
2 answers
asked by
Michael
548 views
I need help finding the molar mass of anhydrous salt.
4 answers
asked by
Jan
558 views
1.What is the mass of 2.0 moles of LiOH?
Atomic mass Li + atomic mass O + atomic mass H = molar mass LiOH. grams in 2 mol = #mols
1 answer
asked by
Claudia
565 views
What formula do I use to calculate the mass of KCl that is required to make 625 mL of a 0.200 M solution?
Dr Robb the formula you
3 answers
asked by
Norma
570 views
the molar mass of CopperII Nitrate
CU(NO3)2 is _________grams Ok so I 1. Cu= 63.55 2. N=14.01 3. 0= 6 X 16.00=96 I get
3 answers
asked by
Connie
540 views
calculate the mass of ammonium sulphate, which contains the same number of moles as 4g of iron(ll) sulphate heptahydrate.
2 answers
asked by
ogah john
565 views
Using the standardized NaOH solution, the student weighs out 0.2550g of a solid unknown acid and finds that 28.50mL of the NaOH
2 answers
asked by
Jen
558 views
1.05 g of an unknown gas at 47 °C and 1.05 atm is stored in a 2.25-L flask.
Density of the gas= 0.47g/L What is the molar mass
2 answers
asked by
Vid
535 views
Okay so I know how I would normally determine molar mass of a compound *get out periodic table, sum up elements present, eg. H20
2 answers
asked by
determining molar mass
532 views
A 0.225g sample of a weak monoprotic acid requires 37.50 mL of 0.100 M NaOH solution to reach the equivalence point. What is the
2 answers
asked by
Sarah
537 views
How many aluminum atoms are there in 15.0mg of Al2O3?
3 answers
asked by
Les
523 views
1.) It takes 2.085x10^1 mL of 1.30x10^-1 M NaOH to titrate 2.9660x10^-1 grams of solid monoprotic acid (HX). What is the molar
4 answers
asked by
Paige
512 views
A 24.3g sample of a compound XO2 contains 3.365 x 10^23 oxygen atoms. Determine the molar mass in g/mol of the element X. Show
6 answers
asked by
Adalaide
518 views
An experiment shows a 144mL sample of gas has a mass of 0.173g at a pressure of 720mmHg at a temperature of 31 degrees celsius.
3 answers
asked by
Sally
515 views
How many moles is each of the following?
15.5 g SiO(subscript 2) 0.00688 g AgCl 79.3 g Cl (s.s. 2) 5.96 g KOH
3 answers
asked by
Hellga
497 views
A solution was made by dissolving 62.07 grams of a compound in 500.0 g of water. The compound was not ionic. The freezing point
3 answers
asked by
Anna King
521 views
"Hi there! So I have a chemistry project due in a few hours. I need to find the molar mass of a specific antacid tablet, but all
2 answers
asked by
Kate
518 views
what is the molar mass for C2H5OH in grams
2 answers
asked by
lil iverson01
477 views
A volatile liquid was allowed to evorate in a 43.298g flask that has a total volume of 252mL.the temperature of the water bath
6 answers
asked by
Jetta
505 views
Calculate the molar mass of a gas if 0.805g of this gas has a pressure of 4.00 bars at 305K in a 1 L. What is the gas density at
3 answers
asked by
john
635 views
Calculate the molar mass of CH4 gas at STP when 5.46L Of the gas weights 4g
3 answers
asked by
vanessa
465 views
The density of an unknown gas is 1.23 g/L in 330K and temperature 25.5 pressure kPa. What is the molar mass of the substance?
2 answers
asked by
MONICA
489 views
A particular gas has a desnity of 11.98 g/dm^3 when the pressure is 138.4 kPa at a temp of 175 degrees F. What is the GMW of
5 answers
asked by
Matt
479 views
if 48.3 g of an unknown gas occupies 10.0 L at 40 degrees celsius and 3.10 atm, what is the molar mass of the gas?
2 answers
asked by
sherly
475 views
At STP, 461 mL of a gas have a mass of 1.88 g. What is the molar mass of the gas?
2 answers
asked by
Bradley
456 views
A sample of a gas weighs 4.526g and has a volume of 890.9 mL at 645.0 torr and 29(degrees C). What is its molar mass?
I just need
2 answers
asked by
Toni Jones
477 views
Calculate the mass ( in grams) of one mole of methane molecules (to .01 g)
1 answer
asked by
Matt
472 views
10.0g of caco3 was dissolved in water and made up to 1.0dm3. if 25.00cm3 of this solution requires 24.90 of 0.100mol/dm3 HCL for
1 answer
asked by
Rose
471 views
A .405 g sample of gas contains .0050 moles. What is the molar mass of this gas? Please round your answer to the tenths place.
I
1 answer
asked by
bob
460 views
If 3.42 grams of Al2(SO4)3 are required, what mass of H2SO4 must be present?
3 answers
asked by
Asia
468 views
3.49g of ammonia at STP weighs 4.48litre calculate molecular mass of it.
1 answer
asked by
Anonymous
444 views
Find the molar mass of Na2Al2(SO4)4
1 answer
asked by
ninki
435 views
Molar mass of clacium hydroxide.
Isn't it 40.08 + 16.00 + 1.008???? Calcium hydroxide is Ca(OH)<sub>2</sub>. Therefore, the O and
1 answer
asked by
Jill
466 views
How do I find the molar mass of C18H14N2Na2O8S2 (Alura Red)?
5 answers
asked by
Ben
433 views
A 2.00 L sample of a gas has a mass of 2.92 g, a pressure of 1.3 atm, and a temperature of 243 K. What is the molar mass of this
4 answers
asked by
Anonymous
421 views
Trichloromethane consists of10.05% carbon 0.83% hydrogen and 82.12% chlorine.Its relative molar mass is 119.5% .Find its
3 answers
asked by
Morgane
440 views
Calculate the mass of solute required to make:
10.0 cm3 of 0.100 M Fe(NH4)2(SO4)2.6H20 Please explain how you did it and as well
1 answer
asked by
terrence
451 views
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