Answer:
Mass is the amount of matter in an object.
Weight is how much an object weighs.
Hope this helps!
The answer to problem is [He] 2s1. Hope it helps
Answer:
the chemical equation of ethanol as fuel is
C2H5OH(l)+3 02(g)------2CO2(g)+3H2O(g)
the preparation process of ethanol from cassava is
cassava flour---liquification---saccharification---cooling---fermentation---distillation---ethanol
Use the equation for density :
Density = mass / volume
Density = 120 / 480
Density = 0.25
