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How many moles and how many …

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How many moles and how many grams of NaCl are present in 250ml of 0.5M NaCl solution

    • Posted by Jatin Joshi 6 years, 8 months ago

    CBSE > Class 12 > Chemistry
    • 1 answers

    Vidushi Shukla 6 years, 8 months ago

    Use molarity formula ,i.e., M= no. of moles of solute/ Vol. of solution (in litre). 0.5 = n/0.250=> n=0.5*0.25 => n= 0.125 moles of NaCl. Now for grams of NaCl , n = wt in gram / molar mass. 0.125 = wt / 58 => wt = 7.250 grams.

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