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Molar Mass Calculation
Page 5
Questions (351)
How do I calculate the average Z molar mass, 1/n (Summation) of n*M given this data: (alternate equation: MZ=Summation
3 answers
asked by
tom
1,030 views
Find the molar mass of Hg2Cl2
2 answers
asked by
ninki
1,009 views
How many grams equal 1.0 mol of Azurite, Cu3(CO3)2(OH)2?
2 answers
asked by
pinky
989 views
a solution of 4.65 of a carbohydrate in 100.0g of water has a density of 1.016g/mL and an osmotic pressure of 3.18 atm at 20.0
2 answers
asked by
Amy
1,010 views
What is the mass of 1.00 mol of sodium hydrogen carbonate?
5 answers
asked by
Sierra
961 views
3) 0.3382 g of an unknown diprotic acid, when dissolved in water, required 32.34 mL of 0.1046 M KOH to reach the endpoint.
3 answers
asked by
Akbar
989 views
The molar mass of an organic acid was determined by the following study of its barium salt. 4.290 g of the salt were
to be
3 answers
asked by
Allysa
989 views
1. What is the mass of the 3.7 mol PbO2?
A. 884 g PbO2 B. 65 g PbO2 C. 0.15 g PbO2 D. 825 g PbO2 I honestly have no guess for
4 answers
asked by
Hannah
948 views
would the molar mass of a volatile liquid, calculated using the procedure in this experiment, be incorrectly high, incorrectly
2 answers
asked by
thomas richards
965 views
Since the unkown acid is monoprotic, this also equals the number of moles of acid to use. A typical molar mass for an unknown
4 answers
asked by
Raeann
954 views
How many moles are represented by 16.0g of ethanol, C2H5OH?
2 answers
asked by
kourtney
938 views
A 3.664 g sample of monoprotic acid was dissolved in water and required 20.27 mL of a 0.1578 M NaOH solution for neutralization
2 answers
asked by
TROUBLED
933 views
You dissolve 0.213 g of acid in 25.0 mL of water. To react the acidic solution to the endpoint you add 23.80 mL of 0.1024 M
2 answers
asked by
Andres
905 views
I need serious help with 3 different chemistry problems:
1. If coal is assumed to be all carbon, carbon has a molecular weight of
2 answers
asked by
Angela
922 views
Calculate the flask filled with stop is evacuated and weight its mean is found to be 134.567 it is them filled to a pressure of
3 answers
asked by
warda
919 views
A volatile liquid was allowed to evaporate in a 43.298g flask that has a total volume of 253 mL. The temp of the water bath wad
1 answer
asked by
tiffany
872 views
I did the work, but I need help checking it...
A compound contains 83.24% by mass carbon. Calculate the molar mass of the
1 answer
asked by
Kyle
900 views
A 0.120 g sample of a diprotic acid of unknown molar mass is dissolved in water and titrated with 0.1218 M NaOH. The equivalence
1 answer
asked by
Jorge
849 views
A solution which contains 40.3 g of an unknown molecular compound in 360 g of water freezes at -5.07°C.
What is the molar mass
2 answers
asked by
paul
846 views
A solution is prepared by dissolving 17.1grams of sucrose, c12h22o11, in 275grams of h20.
a)what is the molar mass of sucrose?
2 answers
asked by
Miley
865 views
a 3.00mole sample of fluorine reacts with sodium bromide to produce how many grams of sodium fluoride?
2 answers
asked by
sharday
823 views
In the following reaction, how many grams of ferrous sulfide (FeS) will produce 0.56 grams of iron (III) oxide (Fe2O3)?
4FeS +
2 answers
asked by
kerin
824 views
Include an explanation, balanced chemical equation, units, significant figures and/or calculations where appropriate.
Determinati
4 answers
asked by
Jake
817 views
A solution is prepared by dissolving 17.1grams of sucrose, c12h22o11, in 275grams of h20.
a)what is the molar mass of sucrose? I
2 answers
asked by
Miley
815 views
in a lab experiment to obtain the molar mass of a voltaile liquid, the following data is obtained:
volume of flask=225ml mass of
3 answers
asked by
timmy
810 views
A solution of X2CO3 has a concentration of 15.2 g/dm^3. 25 cm^3 of this solution require 27.5 cm^3 of 0.2 M HCl for complete
2 answers
asked by
Lily
792 views
A sample of gas has a mass of 0.550g . Its volume is 111mL at a temperature of 75∘C and a pressure of 763mmHg . Find molar
2 answers
asked by
Amy
769 views
would the molar mass of a volatile liquid, calculated using the procedure in this experiment, be incorrectly high, incorrectly
2 answers
asked by
thomas richards
780 views
consider the balanced chemical equation 2H2O2 ---> 2H2) + )O2
A) given 20.0 g of H2O2 how many grams of water will be produced?
3 answers
asked by
Sofia
748 views
nitrogen and hydrogen combined in the ratio 14:3 by mass to form amonia molecule.find the formula of amonia molecule by
2 answers
asked by
sachin sharma (sharma ji the rockstar)
717 views
What is the molar mass of Mg(NO3)2? Explain how you calculated this value.
3 answers
asked by
Anonymous
692 views
If 0.896g of a gas occupies a 250mL flask at 20 degree celcius and 760 mmHg of pressure, what is the molar mass of the gas?
2 answers
asked by
TangenT
715 views
A 3.555 g sample of a monoprotic acid was dissolved in water. It took 23.32 mL of a 0.875 M NaOH to neutralize the acid.
2 answers
asked by
blair
703 views
Calculate the mass of oxalic acid needed to prepare 150 ml of 0.442 M C2H2O4.
2 answers
asked by
Anonymous
676 views
A 0.120 g sample of a diprotic acid of unknown molar mass is dissolved in water and titrated with 0.1218 M NaOH. The equivalence
1 answer
asked by
Jorge
678 views
Use the following balanced equation.
3Sr(OH)2 + 2H3PO4 --> 6H20 + Sr3(PO4)2 How many grams of Sr3(PO4)2 could be produced by the
2 answers
asked by
Brea
673 views
Calculate the mass in grams of hydrgen chloride produced when 5.85 L of molecular hydrogen measured at STP reacts with an excess
3 answers
asked by
Anonymous
684 views
how many grams of Sb2S3 will contain 4.80 moles of S
2 answers
asked by
Trace
648 views
You are given 7.80g of Bromine gas in a container. Under identical conditions, you have 12.8g of an unknown gas. What is the
2 answers
asked by
Hero
670 views
. What is the molar mass (to the nearest tenth of a gram/mole) of each of the following
KCl
4 answers
asked by
Lil Wayne
645 views
What is the molar mass of an acid if 0.422 g of the acid are neutralized by 17.5 mL of 0.268 M NaOH?
4 answers
asked by
sha
612 views
Determine the molar mass of a compound and its molecular formula if a solution of 1.00 g of the unknown is dissolved in 50 grams
2 answers
asked by
Megan
634 views
A 3.555 g sample of a monoprotic acid was dissolved in water. It took 23.32 mL of a 0.875 M NaOH to neutralize the acid.
2 answers
asked by
blair
619 views
What is the molar mass of salenH(2) and nickel(II) salen?
I don't know shat salen is? Do you have a formula? Salen is a
1 answer
asked by
Bob
604 views
find the molar mass of 7.5gm of a gas occupying 5.8 lt volume at s.t.p.
2 answers
asked by
nidhi
590 views
How much do 8.36 × 1022 molecules of water
weigh? Answer in units of grams
3 answers
asked by
Nayyar
590 views
Calculate the mass of a mole of glucose, C6H12O6, in grams.
Would I just find the GFM, which comes out to 180.0g?
2 answers
asked by
Anonymous
601 views
If a certain gas has a density of 2.34 g/L at 27.0C and 742 torr, what is the molar mass of this gas?
I am not sure what formula
1 answer
asked by
Thao
578 views
An experiment shows that a 250mL gas sample has a mass of 0.433g at a pressure of 740 mmHg and a temperature of 29 C.
What is the
2 answers
asked by
Anonymous
588 views
Determine the mass in grams of glucose (180.2 g/mol) needed to prepare a solution with a vapor pressure of 40.8 mmHg. The
3 answers
asked by
lex
589 views
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