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Calculating the concentration in gdm-3 and mol dm-3. watch

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    Hello everyone. My question is below:

    A solution of sodium hydroxide contains 1.00g of sodium hydroxide in 250cm3 of solution. M(NaOH)= 40 gmol-1.

    Calculate the concentration of sodium hydroxide in:

    a) g dm-3

    b) mol dm-3


    Please provide a detailed solution. Thanks
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    (Original post by dajjal619)
    Please provide a detailed solution. Thanks
    What have you tried to do so far? Apart from just ask us.
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    (Original post by Pigster)
    What have you tried to do so far? Apart from just ask us.

    Hi, i tried converting into moles and other stuff. and what all. but i cant seem to figure it out. but trust me i tried. Can you help me? i would be very grateful.
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    (Original post by dajjal619)
    Hi, i tried converting into moles and other stuff. and what all. but i cant seem to figure it out. but trust me i tried. Can you help me? i would be very grateful.
    Post your working. What is it you can't figure out?

    The concentration is the number of moles/mass of substance in 1 dm3.
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    a) Covert 250cm3 into dm3 then do 1 gram divided by the converted volume (dm3)
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