... If you don't know the molecular mass, you could also use the empirical formula to ... If you have a compound with an unknown formula and a percent mass of each ...

... 1. What is the weight percentage of C in C6H12O6? use sig figs. The atomic weights of the elements are: ... The molecular weight of Glucose is: ...

... The 1st number is the 1st element and so on ... for a compound that has the following percent composition: 40.0% C 6.72% H 53.29% O. The molecular weight is 180 ...

What is the molecular formula of a compund that contains 42.87 ... but I will assume they are percent by mass. ... of that later) and multiply the percentages to find ...

... the sample is H, therefore the percentage of carbon ... In this problem, the molecular mass was obtained from ... gas formula and the empirical formula was calculated ...

...mass of 160+-5g/mol, what is its molecular formula? ... The true formula is C14H10N2 3.100) Aspirin (C9H8O4) is ... the solution by adding the percent contributions to ...

... 9. iodic acid has the molecular formula HIO3 ... calculate the percentage by mass of the indicated element... 0.221) + 207.97663 (0.524) Ave atomic weight = 207.38891. ...

... density of 1.73 g/mL and contains 80.0 percent H2SO4 by ... Volume in mL = weight in gram /0.500% = 0.176 g / 0.500 ... situation that water has a linear molecular shape ...