36 Answered Questions for the topic Molar Mass

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?  
Molar Mass Chemistry Lab

03/20/16

chem helo plss

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

01/27/16

CHEMISTRY PLEASE HELP?!!!Determine the molar mass of a compound - given freezing point and masses of components in a solution?

A company is studying the use of a compound as a potential antifreeze. When 0.243 g of the compound is dissolved in 25.0 g of water, the freezing point of the solution is -0.201 * Celsius.   a.... more

01/13/16

A volume of 253 mL of hydrogen is collected over water; the water level in the collecting vessel is the same as the outside level. Atmospheric pressure is 756.0

A 0.548 gram sample of a metal, M, reacts completely with sulfuric acid according to:M(s)+H2SO4(aq) -> MSO4(aq)+H2(g)A volume of 253 mL of hydrogen is collected over water; the water level in... more
Molar Mass

09/27/15

Please help I'm so confused!

Find the molar mass of PCl3? 

09/23/15

The molar mass of aspirin is 180.16 g/mol. What is the theoretical yield in grams, for the aspirin she theoretically obtained above using 4.02 g of SA?

The molar mass of aspirin is 180.16 g/mol. What is the theoretical yield in grams, for the aspirin she theoretically obtained above using 4.02 g of SA? What is the percent yield?

09/23/15

The molar mass of salicylic acid (SA) is 138.12 g/mol. How many theoretical mols are there in the 4.02 g of the SA reactant the student started the reaction wit

The molar mass of salicylic acid (SA) is 138.12 g/mol. How many theoretical mols are there in the 4.02 g of the SA reactant the student started the reaction with?

04/21/15

Gas Laws and stoichiometry

Assume that 18.4 g of Al react with HCl according to the equation Al(s) + HCl(aq) −→ AlCl3(aq) + H2(g) at STP. How many moles of Al react? Remember to balance the equation first. Answer in units of... more
Molar Mass Science Chemistry Ions

11/18/14

A Question about Chemistry

Calculate each of the following   (a) moles of compound in 0.510 g ammonium bromide_____ mol (b) number of potassium ions in 59.8 g potassium nitrate_____ ions (c) mass in grams of 6.02 mol... more

Chemistry Problems

1.) Elemental phosphorus reacts with chlorine gas according to the equation: P4(s)+6Cl2(g)→4PCl3(l) A reaction mixture initially contains 45.09g P4 and 131.1g Cl2.   Once the reaction has... more
Molar Mass

11/26/12

the mass of 1.2x10^37 molecules of an element is 1.56x10 grams. what is the mass of en element molecule?

what is the mass of the element that i have written above?

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.