34 Answered Questions for the topic Molar Mass

Molar Mass Chemistry Moles Mol

03/11/21

Hey , can someone help me do this ? Moles , Chemistry

How many per gram 3.01 ● 10 22 molecules of nitric acid?What is the volume of 2,408 ● 10 24 molecules of oxygen?How Many Molecules are in 112 dm3 of Hydrochloride?How many grams is 134.4 dm3 of... more
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Molar Mass Chemistry

02/24/21

Molar Mass from osmotic pressure
When 2.63 g of a polypeptide is dissolved in 237 mL of water, the resulting solution is found to have an osmotic pressure of 0.125 atm at 37.0 °C. What is the molar mass of the polypeptide? (Assume... more
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Molar Mass Chemistry Mole

02/01/21

My question is about chemistry , it says calculate the number of atoms of Cl in 0.0425h of C2H4Cl2
Can you Solve it step by step please ? I have a question about a step ,I want to get the number of moles of Cl , so I need to divide it’s mass(g) by its molar or molecular mass , will the molar... more
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05/19/20

Please help! I cannot figure out the steps of going from mass of Hydrogen to moles of carbon in ethanol.
A sample of ethanol (C2H6O) contains 3.024g of hydrogen. How many moles of carbon are in the sample ? Molar Mass of ethanol (C2H6O)=46.07g/mol
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Molar Mass Chemistry Volume

04/15/20

how many cm3 h2so4 1m solution will act with 16.8 g nahco3?

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Molar Mass Chemistry Xef4

04/01/20

Calculate the molar mass of the compound XeF4 show work
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Molar Mass Math Chemistry

03/20/20

chemistry molar mass
When 6 protons and 6 neutrons fuse, one nucleus of carbon-12 (C-12 or 12C6+) is formed.  When one nucleus of C-12 is formed, 1.64 × 10−24 g of mass is lost. a.     Calculate the mass loss when one... more
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Molar Mass Chemistry

10/03/19

Molar Mass help
What is the molar mass ofAcetic Anhydride Acetylsalicylic AcidAcetic AcidPlease show work
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Molar Mass Chemistry

05/23/19

The empirical formula of a compound is determined to be C2H3, and its molecular mass is found to be 54.10 g/mol. Determine the molecular formula of the compound
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Molar Mass Chemistry

03/25/19

How many moles of KI are in 8.89×1024 formula units?
How many moles of KI are in 8.89×1024 are in  formula units?
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02/20/19

A gas sample is collected at 21 degrees celsius and 0.988 atm. If the sample has a mass of 4.7 g and a volume of 396 mL. What is the molar mass?
10th grade Chemistry gas law problem. Find the molar mass given the temperature and air pressure.
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Molar Mass

06/19/18

calculate the molar mass ( molecular weight) of a sample if a single molecule weighs 7.45 * 10^-23 g
is this even possible to determine if you don’t know what elements are in the molecule? probably so but i’m stumped! S.O.S.
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05/22/18

An anti cavity mouthwash is 0.05% (w/v) sodium fluoride. What is the molarity of sodium fluoride in the mouthwash?
How many grams of sodium fluoride are there in 0.5 fluid ounces of the mouthwash?
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05/22/18

what is the molar mass of aluminum?
what is the  molar mass of aluminum?
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Molar Mass

02/14/18

how to find molar mass of an unknown compound
A solution is prepared with 3.85 g of an unknown compound in 100.0 g of cyclohexane. The solution had a freezing point of 4.18 degrees Celsius. what is the molar mass of the unknown compound?
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12/04/17

Can someone help me with finding out the Molar Mass and Percentage Composition for compounds?
Here are two examples:   Mg₃P₂   &   Sr(OH)₂     I've been struggling with trying to find out the molar mass/percentage compositions for these questions but I just struggle to do so,... more
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Molar Mass Chemistry Moles Mass

11/14/17

determine the mass of the sample
1.48 mol carbon tetrafluoride 
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Molar Mass Chemistry Moles Atoms

02/08/17

How many moles would 7.84 x 10^25 atoms of magnesium be? – Show Work
How many moles would 7.84 x 10^25 atoms of magnesium be? – Show Work
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Molar Mass Chemistry Mass Sodium

02/08/17

What is the mass of 1.2 x 10^-3 moles of sodium chloride? – Show Work
What is the mass of 1.2 x 10^-3 moles of sodium chloride? – Show Work
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Molar Mass Chemistry Moles Sodium

02/08/17

How many grams in 3.91 moles of sodium? – Show Work
How many grams in 3.91 moles of sodium? – Show Work
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Molar Mass Chemistry Moles Grams

02/08/17

How many grams in 45.22 moles of strontium? – Show Work
How many grams in 45.22 moles of strontium? – Show Work
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Molar Mass Chemistry Moles

02/08/17

How many moles in 31.0 g of chlorine? (Remember chlorine is diatomic) – Show Work
How many moles in 31.0 g of chlorine? (Remember chlorine is diatomic) – Show Work
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Molar Mass Chemistry Moles

02/08/17

How many moles in 34.2 g of sulfur? – Show Work
How many moles in 34.2 g of sulfur? – Show Work
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Molar Mass Chemistry

10/24/16

there is 6.10g of Cobalt (II) Nitrate, Co(NO3)2, what is the molar mass?
there is 6.10g of Cobalt (II) Nitrate, Co(NO3)2, what is the molar mass?  
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Molar Mass Chemistry Lab

03/20/16

chem helo plss
starting with n=g/MM and PV=nRT, detrive the formula for molar mass
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