Answer: because of isotopes
relative atomic mass =(75/100 × 35) + (25/100 × 37) = 35.5
isotopes of any element behave the same chemically because neutrons do not have any charge
Explanation:
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The solution with the lowest pH would mean that it is an acid, specifically a strong acid which completely dissociates into ions in aqueous solution. Among the choices listed above, I think the correct answer is option D. It is nitric acid that will have the lowest pH because it is the only strong acid in the group.
Answer: option C.Water will move into the cell
Explanation:
1) Start by analyzing what the statement means in terms of relative concentrations:
------------------------ | inside the cell ------------ | outside the cell |
sugar --------------- | higher ----------------------- | lower ------------- |
water -------------- | lower ------------------------- | higher ------------ |
2) Osmosis is the process where a barrier (the celll membrane) permits the pass of some component and not others.
The component that can pass is that whose particles are smaller. Sugar molecules (the solute) are bigger than water molecules (the solvent), so sugar molecules cannot pass the cell membrane. Only water can.
3) The driviing force for the motion of water molecules is called diffusion. The diffusion occurs from higher concentrations to lower concentrations.
Hence, the water molecules will from outside the outiside the cell, where they have the greater concentration, toward the inside of the cell, where water hasa the lower concentration.
As result, the water will move into the cell, which is the option C.
Hello sir, The answer that you are looking for is fluorine. Fluorine is the most electronegative atom. I am also sorry for calling you sir. I didn't know you were a woman.
Answer:
<h2>15 g/mL</h2>
Explanation:
The density of a substance can be found by using the formula

But from the question
volume = final volume of water - initial volume of water
volume = 165 - 150 = 15 mL
We have

We have the final answer as
<h3>15 g/mL</h3>
Hope this helps you