The concentration of solution : 0.2 M
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Further explanation
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Given
5.6 g Potassium hydroxide(KOH)
500 ml of solution = 0.5 L
Required
The concentration
Solution
Molarity shows the number of moles of solute in every 1 liter of solution or mmol in each ml of solution
MW KOH = 39+16+1=56 g/mol
mol solute(KOH) :
= mass : MW KOH
= 5.6 : 56 g/mol
= 0.1
Molarity :
= 0.1 : 0.5
= 0.2 M
you've just posted only 1 question and the answer for that is option C.
thanks!
Using PV=nRT
you get 268.976268L
=270L
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
The answer is "<span>the quantity of heat that is required to raise 1 g of the sample by 1°C (Kelvin) at a constant pressure"</span>
I believe its B Reproduces sexually