If A + B → C + D You start with 50 g of A and 30 g of B and 40 g of C are produced, how many g of D would also be produced?

40g of D

Explanation:

Law of conservation of matter:

Matter can neither be created nor be destroyed but can change from one form to another.

The total of the reactants must be equal to that of the product.

A+B=>C+D

50g+30=40g+D

80g=40g+D

D=80-40

D=40g

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