Answer to Question #169973 in General Chemistry for Marwa

Question

The chemical formula for strontium suide is Sr S. A chemist determined by measurements that 0,0400 moles of strontium sulfide participate in a chemical reaction Calculate the mass of strontium sulfide that participates Be sure your answer has the correct number of significant digits.

Answer 1

$Mass= moles × rmm$

= 0.0400×119.7= 4.79g