High School

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What is the total number of grams of [tex]H_2O[/tex] produced when 116 grams of the product, [tex]NaCl[/tex], is formed?

A) 36.9 g
B) 54.9 g
C) 18 g
D) 9.0 g

Answer :

Answer:

A) 36 g

Explanation:

From the source, some values have been correct.

Given that;-

Mass of NaCl formed = 116 grams

Molar mass of NaCl = 58 g/mol

Moles of NaCl = [tex]\frac{Mass}{Molar\ mass}=\frac{116}{58}\ mol=2\ mol[/tex]

According to the reaction shown below:-

[tex]HCl+NaOH\rightarrow NaCl+H_2O[/tex]

1 mole of NaCl and 1 mole of [tex]H_2O[/tex] are produced upon reaction.

So,

2 moles of NaCl and 2 moles of [tex]H_2O[/tex] are produced upon reaction.

Moles of water = 2 moles

Molar mass of water = 18 g/mol

Mass = [tex]Moles\times Molar\ mass=2\times 18\ g=36\ g[/tex]

36 g of [tex]H_2O[/tex] is produced.

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