Answer:
pioneer species. because they are flower like species
Answer:
The correct answer is 0.6 mL.
Explanation:
We use the mathematical expression:
Ci x Vi = Cf x Vf
Where Ci is the initial concentration (5 M); Cf and Vf refers to final concentration (0.002 M) and final volume (1500 mL). With the given data, we calculate the initial volume (Vi):
Vi = (Cf x Vf)/Ci = (0.002 M x 1500 mL)/(5 M) = 0.6 mL
Therefore, we need 0.6 mL of 5 M NaCl to prepare the solution with the requested dilution.
The answer is 59.01 g
If a 100-gram sample of NaCl consists of 39.34 g of sodium, a 150-gram sample of NaCl will consist x g of sodium:
100 g : 39.34 g = 150 g : x
x = 39.34 g * 150 g : 100 g
x = 59.01 g
Answer:
B mixture can be separated by physical means
Answer:
<em>Hope this helps :)</em>
Explanation:
Antoine Lavoisier- used patterns to predict undiscovered elements
John Newlands- Arranged elements according to their atomic
Johann Wolfgang- created groups of three elements, each based on Johann Wolfgang Dobereiner
Dmitri Mendeleev- divided elements into four categories
