Question

In the following equations, $N{a}_{2}C{O}_3+xHCl\to 2NaCl+C{O}_2+H_{2}O$, the value of $x$ is:

• A. 1
• B. 2
• C. 3
• D. 4

Answer 1

The correct option is B 2

$N{a}_{2}C{O}_3+2HCl⟶2NaCl+C{O}_2+H_{2}O$

	No. of Atoms	No. of Atoms
$Na$	$2$	$2$
$H$	$2$	$2$
$C$	$1$	$1$
$O$	$3$	$3$
$Cl$	$2$	$2$