Question

$H_{2}S$ contains 5.88% hydrogen, $H_{2}O$ contains 11.11% hydrogen while $S{O}_2$ contains 50% sulphur. These figures illustrate the law of:

• A. conservation of mass
• B. constant proportions
• C. multiple proportions
• D. reciprocal proportions

Answer 1

The correct option is A conservation of mass

These figures illustrate the law of conservation of mass because according to this law hydrogen or any atom contains always same atomic mass in any compounds and have diffrent mass present according to molecular formula.