formula to calculate the following

Hydrocarbons A and B both contain 85.7 % carbon. Their molar masses are 42 and 84 respectively.a) Which elements does a
1. 4 answers
2. asked by Amir
3. 3,504 views
Thanks, Economyst.What formula did you use to calculate 17.53117? I found a formula that I thought would work to get that sum,
1. 0 answers
2. asked by John
3. 424 views
Measurements:Length = 5 cm Width = 18 cm Height = 26 cm ____________________________________________ Calculate the surface area
1. 2 answers
2. asked by Jman
3. 696 views
calculate the empirical formula: 79.8%C and 20.2%H. what os the formulaTake a 100 g sample. That will give you 79.8 g C 20.2 g
1. 1 answer
2. asked by lauren
3. 1,965 views
I need to know if I have th right molecular formula for Sorbito39.56g C 7.75g H 52.7g O Empirical Formula is CH2O 30.026 amu how
1. 5 answers
2. asked by Joshua
3. 1,185 views
Revenue sharing formula in Nigeria is grouped into:Question 6Answer a. Traditional formula and Modern formula b. Non of the
1. 1 answer
2. asked by Oyebode Oluwoye
3. 52 views
ok, to calculate KE of a non-relativistic electron, we use the formula:K=.5mv^2=p^2/2m and K=h^2/(2m wavelength^2) do we use the
1. 1 answer
2. asked by Emma
3. 476 views
Calculate the number of particles in 7.8 mol MgCl2(s). Indicate the correct type of particle (atom, molecule, ion, or formula
1. 7 answers
2. asked by Diana
3. 766 views
Calculate the molecular formula of a compound whose empirical formula is CH2O AND vapour density is 30
1. 1 answer
2. asked by deepika
3. 534 views
state the chemical formula of phthalic acidand calculate the molar mass using the formula.
1. 1 answer
2. asked by marcus
3. 736 views