Because you can see more than one substance in the mixture
Answer:
it is also know as biological diversity
Explanation:
it refers to the varieties or various forms of plants and animals species
Answer:
1. molarity is = 0.1174
2. molarity is = 9.3
3. molarity is =0.009392
Explanation:
Q#1.
mass of sucrose is 14.07g
molar mass of sucrose is 342 3g/mol
so, 14.07x1/342.3 = 0.0411
now the volume is of water is 0.35
so, 0.0411/0.35 = 0.1174
Q#2.
concentration is 4.5
so, 4.5x1/1000= 0.0045
then, 0.0411/0.0045 = 9.13
Q#3.
M1M1=M2M2
molarity of the same sucrose is 0.1174
so, diluted in 40mL
and the volumetric flask is 500mL
so, 0.1174x40/500= 0.009392
D=mass/volume
1st sample: D=41.40g/4.5mL
D=9.2 g/mL
2nd sample: D=37.22g/4.3mL
D=8.66 g/mL
3rd sample: D=43.46g/4.8mL
D=9.05 g/mL
Average Density: 9.2+8.66+9.05=26.91
Answer: 26.91/3=8.97 g/mL
A catalyst lowers the activation energy of a reaction by providing a different mechanism through which the reaction can go
I hope that's help !