The number of $Cl^{-}$ ions in $333 \ g$ of anhydrous $CaCl_2$ will be ................ $N_A$.

Calculate the total number of atoms in $5.6 \ L$ of $SO_2$ gas at $NTP$.

$1 \ mL$ of water has $25$ drops. Let $N_0$ be the Avogadro number. What is the number of molecules present in $1$ drop of water? (Density of water $= 1 \ g / mL$)

Which one of the following has the same number of atoms as are in $6 \,g$ of $H_2O$?

What is the number of carbon atoms present in $0.35 \ mol$ of $C_6H_{12}O_6$?

Among the following,choose the ones with an equal number of atoms.
$A$. $212 \ g$ of $Na_2CO_3(s)$ [molar mass $= 106 \ g/mol$]
$B$. $248 \ g$ of $Na_2O(s)$ [molar mass $= 62 \ g/mol$]
$C$. $240 \ g$ of $NaOH(s)$ [molar mass $= 40 \ g/mol$]
$D$. $12 \ g$ of $H_2(g)$ [molar mass $= 2 \ g/mol$]
$E$. $220 \ g$ of $CO_2(g)$ [molar mass $= 44 \ g/mol$]
Choose the correct answer from the options given below.