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Calculate
the percentage by weight
of
a) carbon in carbon dionide
b) sodium in sodium carbonate
c)

By Amelia

Calculate
the percentage by weight
of
a) carbon in carbon dionide
b) sodium in sodium carbonate
c) aluminium in aluminum nitride
[ C= 12, O = 16, H= 1, Na = 23, AL= 27, N=14]​

About the author
Amelia

Find the remainder when x² + x²ux-5
is divided by x 2/3​

Underline indirect object he gave his teacher an app
le​

2 thoughts on “<br />Calculate<br />the percentage by weight<br />of<br />a) carbon in carbon dionide<br />b) sodium in sodium carbonate<br />c)”

  2. Answer:

    to know th % by weight of any element in compound divide = atomic mass of that element × 100

    molecular mass

    Explanation:

    a) 12/ 44 × 100 = 27.27%

    b) 23/106×100 = 21.6%

    c) 27/41 ×100=65.85%

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