The question is: 10 g of carbonic acid H2CO3 are dissolved in 150 g of water. Determine the% m / m concentration of that solution?
Answer: The% m / m concentration of that solution is 6.66%.
Explanation:
Given: Mass of solute = 10 g
Mass of solvent = 150 g
Formula used to calculate the %m/m is as follows.
Substitute the values into above formula as follows.
Thus, we can conclude that the% m / m concentration of that solution is 6.66%.
Answer: Transition from X to Y will have greater energy difference.
Explanation: For studying the energy difference, we require Planck's equation.
where, h = Planck's Constant
c = Speed of light
E = Energy
= Wavelength of particle
From the equation, it is visible that the energy and wavelength follow inverse relation which means that with low wavelength value, energy will be the highest and vice-versa.
As electron A falls from X-energy level to Y-energy level, it releases blue light which has low wavelength value (around 470 nm) which means that it has high energy.
Similarly, Electron B releases red light when it falls from Y-energy level to Z-energy level, which has high wavelength value (around 700 nm), giving it a low energy value.
Energy Difference between X-energy level and Y-energy level will be more.
<span>oxidizing agent removes an electron from other specie
the oxidizing agents are reduced due to loss of electrons
</span><span> F2 is reduced from neutral state to 1- so it act as an oxidizing agent
</span>so correct option is A
hope it helps
The net ionic equation shown is for the reaction of an aqueous mixture of sodium hydroxide and hydrochloric acid.
<h3>What is net ionic equation of a reaction?</h3>
A net ionic equation is an equation of a reaction which only depicts the ions which react to form a product.
In a net ionic equation, the spectator ions are removed.
The net ionic equation shows a reaction between hydrogen ions and hydroxide ions to form water.
Therefore, the net ionic equation shown is for the reaction of an aqueous mixture of sodium hydroxide and hydrochloric acid.
Learn more about net ionic equation at: brainly.com/question/13879496
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Techneutim(Tc) has 43 protons, 43 electrons and 54 neutrons.