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(a) State the law that is followed by balancing a chemical equation.(b) Balance the following chemical equation: Na + H3O → NaOH + H2(Board Term I, 2013)

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(a)Law of conservation of mass (b) 2 Na + 2 H2O --> 2 NaOH + H2 ( In the above question, equation is wrong. it has to be H2O instead of H2)
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Quantitative Aptitude and General Science teacher with 4 year experience

Hi Palakshi, The Law which is followed in balancing a chemical equation is the law of conservation of mass'' which states that matter can neither be created nor destroyed. The law of conservation of mass is the governing law for balancing a chemical equation. A balanced chemical equation is an equation...
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Hi Palakshi, The Law which is followed in balancing a chemical equation is the law of conservation of mass'' which states that matter can neither be created nor destroyed. The law of conservation of mass is the governing law for balancing a chemical equation. A balanced chemical equation is an equation where there are no inequalities i.e. every element has an equal number of atoms in the reactant and product side. The mass, as well as the change, are equal in a balanced chemical equation. Na + H3O→ NaOH + H2 This equation is already balanced as there are equal numbers of Na, H, and O atoms on both sides However, Kindly verify if its H3O Or H2O Thank You read less
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Enjoy teaching children and making them understand the subject so they enjoy learning.

The law of conservation of mass.. (b) It's a balanced chemical equation.
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Online tutor Since 2015. 6 year experience.

2Na + 2H3O ~~~~ 2NaOH + 2H2
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I am math tutor in delhi

Law of conservation of mass states that mass can neither be created nor be destroyed, it can only be transformed from one form to another in a chemical reaction. Thus for a chemical equation to obey the law of conservation of mass, it has to be balanced.
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Law which is followed in balancing a chemical equation is "Law of conservation of mass'' which states that matter con not be created or distroyed and both sides (reactant side and product side) should be balanced by coefficient to ensure b) The equation is balanced already
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(a) The law followed when balancing a chemical equation is the Law of Conservation of Mass, which states that mass is neither created nor destroyed in a chemical reaction. (b) The balanced chemical equation for the reaction Na + H 3 O → NaOH + H 2 Na+H 3 ​ O→NaOH+H 2 ​ is 2 Na + 2 H 3 O → 2 NaOH + H 2 2Na+2H...
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(a) The law followed when balancing a chemical equation is the Law of Conservation of Mass, which states that mass is neither created nor destroyed in a chemical reaction. (b) The balanced chemical equation for the reaction Na + H 3 O → NaOH + H 2 Na+H 3 ​ O→NaOH+H 2 ​ is 2 Na + 2 H 3 O → 2 NaOH + H 2 2Na+2H 3 ​ O→2NaOH+H 2 ​ . read less
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(a) The law followed by balancing a chemical equation is the Law of Conservation of Mass. According to this law, matter is neither created nor destroyed in a chemical reaction, emphasizing that the total number of atoms for each element must remain the same on both sides of the balanced equation. (b)...
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(a) The law followed by balancing a chemical equation is the Law of Conservation of Mass. According to this law, matter is neither created nor destroyed in a chemical reaction, emphasizing that the total number of atoms for each element must remain the same on both sides of the balanced equation. (b) The balanced chemical equation for the given reaction is: 2Na+2H3O ➡️2NaOH+ H2 This balanced equation ensures that the number of atoms for each element (Na, H, O) is the same on both sides, thus adhering to the Law of Conservation of Mass. read less
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(a) Balancing a chemical equation adheres to the Law of Conservation of Mass, asserting that matter remains constant in a chemical reaction. This law stipulates that the total number of atoms for each element must be identical on both sides of the balanced equation. (b) Upon balancing the given chemical...
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(a) Balancing a chemical equation adheres to the Law of Conservation of Mass, asserting that matter remains constant in a chemical reaction. This law stipulates that the total number of atoms for each element must be identical on both sides of the balanced equation. (b) Upon balancing the given chemical equation, it is now represented as follows: [Balanced Equation]. This balance ensures an equal count of atoms for each element (Na, H, O) on both sides, thereby satisfying the Law of Conservation of Mass. read less
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I am working in MNC but I fond of teaching of Maths with part time.

2Na+2H3O=2NaOH+2H2
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