Question

Sterling silver contains 95% silver. If a necklace made of sterling silver wieghs 15 grams what is the mass of silver dissolved in the necklace?

Answer 1

${\huge {\mathfrak {Answer :-}}}$

_____________

The mass of the silver will be

= 95/100 * 15

= 19/20 * 15

= 57/4

= 14.25 gm .

_____________

Thanks..

Answer 2

Solution :-

Given : Sterling silver contains 95% silver.

To find : The mass of silver dissolved in the necklace.

Let the x grams sterling silver contains 95% silver.

By unitary method,

x grams sterling silver contains 95% silver.

15 grams sterling silver contains = 95% of 15

= 95/(100 × 15) = 14.25 grams

Hence,

The mass of silver dissolved in the necklace = 14.25 grams