Recent content by pleace

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    Stoichiometry to find concentration and pH

    i meant to put [OH] i forgot to type the O. and yes i am 100% sure that it says 855ml
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    Stoichiometry to find concentration and pH

    Homework Statement 15.1g of calcium hydroxide completely dissociates in distilled water forming 855ml of basic solution. a) Dissociation Equation b) Calculate the concentration of OH in the solution c)Calculate the pH of the above solution Homework Equations c=n/v pH=-log[H] The...
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    Finding Maximum kinetic energy of ejected electrons

    Homework Statement So i know the light colour, wavelength, cutoff potential and frequencies. I am trying to find the maximum kinetic energy of the ejected electrons(J or eV) heres the first set of numbers for the colour of yellow: wavelength 578nm(5.78 x 10 to the -7metres). cutoff...
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