5% Na2CO35 \% \mathrm{\ Na}_{2} \mathrm{CO}_{3}5% Na2CO3
5% KOH5 \% \mathrm{\ KOH}5% KOH
5% NaOH5 \% \mathrm{\ NaOH}5% NaOH
5% NaHCO35 \% \mathrm{\ NaHCO}_{3}5% NaHCO3
