\({\%~of~an~element} = \frac{mass~of~an~element~in~the~compound}{relative~formula~mass~M_r} \times 100\) There are six atoms of hydrogen in the compound, so the mass ...
Calculating percentage in CBSE Class 12 is extremely important for students after board results are declared. Whether you are applying for college admissions, competitive exams, scholarships, or ...
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