In a chemical reaction, 18 grams of hydrochloric acid reacts with 20 grams of sodium hydroxide to produce sodium chloride and water. which statement is correct?
the mass of water formed is 38 grams.
the mass of sodium chloride formed is 38 grams.
the total mass of sodium chloride and water formed is greater than 35 grams.
the total mass of sodium chloride and water formed is less than 35 grams.

The total mass of sodium chloride and water formed is greater than 35 grams.

We are given;

In this case, HCl will react with NaOH to form salt and water.

HCl(aq) + NaOH(aq) → H₂O(l) + NaCl(aq)

Moles of HCl = 18 g ÷ 26.46 g/mol

                      = 0.68 moles

Moles of NaOH = 20 g ÷ 40.0 g/mol

                          = 0.5 moles

Therefore;

Now, we can determine the amount of H₂O and NaCl

Therefore;

Thus;

Moles of NaCl = 0.5 moles

Moles of H₂O = 0.5 moles

But, mass = moles × molar mass

Mass of water = 0.5 moles × 18.02 g/mol

                        = 9.01 g

Mass of NaCl = 0.5 moles × 58.44 g/mol

                       = 29.22 g

Thus, the total mass of water and NaCl is 38.23 g

Therefore, the correct answer is, the total mass of sodium chloride and water formed is greater than 35 grams.

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a dolphin's flipper, bird's wing, cat's leg.