# science

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1.)A sample of ammonium nitrate contains 70 g of nitrogen.what is the mass of the sample?
2.)no. of gram atom of ca in 100 g of caco3(mol.wt. of caco3=100g)

• science -

tiko+carbon=h2o

• science -

Damn.. I wanted the answer

• science -

1. 201.0g

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