Question

The ratio of weights of copper and zinc in brass is 13:7. Find the weight of zincin a brass utensil weighing 700 gm.

Answer 1

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a rigid layer of polysaccharides lying outside the plasma membrane of the cells of plants, fungi, and bacteria. In the algae and higher plants it consists mainly of cellulose

Answer 2

Answer:

Weight of zinc=(Ratio/Total ratio)*Total mass

=(7/20)*700gm

7*35gm

=245gm

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