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Calculate the molecular mass of the …

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Calculate the molecular mass of the following compounds. Given atomic masses of zn=65u,na=23u,cl=35.5u c=12u o=16u a)zncl2 b)na2co3

Posted by Tamanna Tamanna 3 months, 3 weeks ago

CBSE > Class 09 > Science

2 answers

Abhivarusha P 3 months, 2 weeks ago

a) 65×1+35.5×2 =65+71 =136u b) 23×2+12×1+16×3 =46+12+48 =106u

Anushka Gupta 3 months, 3 weeks ago

a).65*1+35.5*2 =65+71 =136u b).23*2+12*1+16*3 =46+12+48 =106u

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