Which of the following data illustates the law of conservation of mass?

Question

Which of the following data illustates the law of conservation of mass?

Which of the following data illustates the law of conservation of mass?
A. 56 g of CO reacts with 32 g oxygen to produce 44 g of `CO_(2)`
B. 1.70 g of `AgNO_(3)` reacts with 100 mL of 0.1 MHCl to produce 1.435 g of AgCl and 0.63 g of `HNO_(3)`.
C. 12 g of C is heated in vaccume and on cooling there is no change on mass.
D. None of the above.

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
Total mass of reactants
`=1*70+(100xx0*1xx10^(-3)xx36*5)`
`=2*065 g`
Mass of products `=0*63+1*435=2*065g`
Hence, law of conservation of mass is proved.

5 views Answered 2023-02-05 15:29