select the correct number\nthe equation shows neutralization of an acid and a base to produce a salt and…

select the correct number\nthe equation shows neutralization of an acid and a base to produce a salt and water.\n2hcl + na₂o → xnacl + h₂o\nwhich value of x will balance the equation?
Answer
Answer:
2
Explanation:
Step1: Count Na atoms left
Reactants: 2 Na (from Na₂O)
Step2: Balance Na on right
Products: x NaCl needs 2 Na → x=2
Step3: Verify Cl balance
Left: 2 Cl (2 HCl); Right: 2 Cl (2 NaCl). Balanced.