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Why. Some formula written in brackets …

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Why. Some formula written in brackets for ex.?(Nh4)2 (SO)4???
  • 3 answers

Pragya Singh 6 years, 3 months ago

Yw

Baapu Ji 6 years, 3 months ago

Thank you?

Pragya Singh 6 years, 3 months ago

(NH4)2 means that their are 2molecules of nitrogen and 8 molecules of hydrogen. U just need to multiply each element with the no. outside
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