A certified reference sample of magnesium oxide contains of Mg and of O

MATHEMATICS · Subjective · CBSE · Mathematics · Fractions in Disguise · Fractions in Disguise

Problem

A certified reference sample of magnesium oxide contains

0.603\,\text{g}

of Mg and

0.397\,\text{g}

of O. A student’s synthesized sample contains

0.770\,\text{g}

of Mg and

0.480\,\text{g}

of O. Calculate the percent deviation of the student’s Mg:O mass ratio from the ratio in the reference sample.