M(O₂)=20g
M(O₂)=32.0 g/mol
n(O₂)=20/32.0=0.625 mol
m(C)=12 g
M(C)=12.0 g/mol
n(C)=12/12.0=1.0 mol
2C + O₂ → 2CO
1 mol 0.625 mol 1 mol
0.625-0.5=0.125 mol
2CO + O₂ → 2CO₂
0.250 mol 0.125 mol 0.250 mol
n(CO)=1 mol - 0.250 mol = 0.750 mol
M(CO)=28.0 g/mol
m(CO)=0.750*28.0=21.0 g
n(CO₂)=0.250 mol
M(CO₂)=44.0 g/mol
m(CO₂)=0.250*44.0=11.0 g
The molecular formula for magnesium sulfate hydrate is H14MgO11S
Answer:
C
Explanation:
Since Moles=mass/molar mass
Mass=432g
Molar mass=261g/mol
Moles=1.65mol
Answer:
I think it's Csl
I don't really know
but follow me and heart this
100 mm = 100/1000= .1 meters
1cm = 1/100 = .01m
10 decimeters = 10/10 = 1 meter
.0001 km = .0001*1000 = .1 meter