Mole - Chemistry Lab Results

The computed output of the Mole chemistry lab. Atomic masses, molar masses, percent composition and reaction stoichiometry are calculated live at build time by OnlyCSharp.Chemistry.Core (PeriodicTable, Compound.Parse, MolarMass).

Elements (Z = 1 to 10)

Z	Symbol	Atomic mass (g/mol)
1	H	1.008
2	He	4.003
3	Li	6.94
4	Be	9.012
5	B	10.81
6	C	12.011
7	N	14.007
8	O	15.999
9	F	18.998
10	Ne	20.18

Molar masses (computed from the formula)

Compound	Molar mass (g/mol)
H2O	18.015
CO2	44.009
NH3	17.031
CH2O	30.026
O2	31.998
CH4	16.043

Percent composition of water (H2O) by mass

Element	Atoms	Mass share (g/mol)	Percent
H	2	2.016	11.19 %
O	1	15.999	88.81 %

Mole conversions (n = m / M, N = n * Na)

Quantity	Value
Sample mass of H2O	36.03 g
Moles n = m / M	2 mol
Molecules N = n * Na	1.204e+24

Stoichiometry: 2 H2 + O2 -> 2 H2O

Quantity	Value
Given	3 mol H2 + 1 mol O2
Limiting reagent	O2
Product H2O	2 mol
Theoretical yield	36.03 g
Actual yield	32.5 g
Percent yield	90.2 %