Chemistry, asked by Alexaltams69921, 11 months ago

Calculate the % of NH4 in(NH4)2Cr2O7

Answers

Answered by Anonymous
4

Answer:

Mass of chromium is equals to 52 grams

mass of hydrogen is equal to 1 gram

mass of Nitrogen equals to 14 grams

and mass of oxygen equal to 16 grams

we have ammonium dichromate that is

(NH4)2cr2 O7 formula for Molecular mass is equal to mass of Nitrogen into 2 + mass of hydrogen into 8 + mass of chromium into 2 + mass of oxygen into 7

14 x 2 + 1 x 8 + 52 x 2 + 16 x 7

=> 28+8+104+112=252

that totals up to 252 grams

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