The concentration of CH3OH in the solution is 2.18M
HOW TO CALCULATE MOLARITY:
- The molarity of a solution can be calculated by dividing the number of moles by its volume as follows:
- Molarity {M} = no. of moles (mol) ÷ volume (L)
- According to this question, 35.0 g of CH3OH (MM = 32.0 g/mol) are dissolved in 500.0 mL of solution. The number of moles of methanol is calculated as follows:
no. of moles = 35g ÷ 32g/mol
no. of moles = 1.09mol
- Molarity = no. of moles ÷ volume
Volume = 500mL = 0.500L
Molarity = 1.09mol ÷ 0.500L
Molarity = 2.18M
Therefore, the concentration of CH3OH in the solution is 2.18M
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Answer:
The correct answer is - contractile vacuoles: osmoregulation by contraction and expansion,
other vacuoles: storage of nutrients, water, and waste also help in maintaining shape.
Explanation:
Contractile vacuoles are the characteristic features of the protozoan, unicellular algae that helps in expelling water by the process of osmoregulation by expansion and contraction.
Other vacuoles are primarily the storage unit of the cell as they store excess nutrition, waste or water in it. It also helps in maintaining the shape of the cells.
Thus, the correct answer is - contractile vacuoles: osmoregulation by contraction and expansion,
other vacuoles: storage of nutrients, water, and waste also help in maintaining shape.
Answer: Oogenesis
Explanation:
Oogenesis is a process in female reproductive system in which a matured ovum is formed from egg cell.
In human reproductive system one mature ovum is produced from four haploid cells during meiosis. This ovum is very large and it unite with the sperm to produce zygote.
There are three stages of Oogenesis, the multiplication phase,the growth phase and maturation phase.
In the multiplication phase, the germinal cells divide to form oogonia. The oogonia multiply and form oocytes. The oocytes pass through the growth phase and mature to form ovum.
Answer:
The rock cycle and water cycle overlap with erosion, transporting, and deposition.carbon atoms are used repeatedly on Earth and cycled between the atmosphere, hydrosphere, biosphere, and lithosphere through processes
Explanation: