What weight of `CaCO_(3)` must be decomposed to produce the sufficient quantity of carbon dioxide to convert 21.2 kg of `Na_(2)CO_(3)` completely in to `NaHCO_(3)`. [Atomic mass Na = 23, Ca = 40]
`CaCO_(3) rarr CaO+CO_(2)`
`Na_(2)CO_(3)+CO_(2)+H_(2)O rarr 2NaHCO_(3)`

What is the common name of (a) NaHCO_(3) and (b) Na_(2)CO_(3).10H_(2)O ?

Which is more stable : Na_(2)CO_(3) or CaCO_(3) ?

Which one is the formula of baking soda? Na_(2)CO_(3) NaOH KHCO_(3) NaHCO_(3)

One required 0.01 mole of Na_(2)CO_(3) . Mass of Na_(2)CO_(3) . 10H_(2)O to be taken is

which one of the following reaction is not associated with the solvay process of manufacture of Na_(2)CO_(3) ? (A) NaCl+NH_(4)HCO_(3) rarr NaHCO_(3) + NH_(4)Cl (B) 2NaOH + CO_(2) rarr Na_(2)CO_(3) + H_(2)O (C) 2NaHCO_(3) rarr Na_(2)CO_(3) + H_(2)O + CO_(2) (D) NH_(3) + H_(2)CO_(3) rarr NH_(4)HCO_(3)

Give the n factors for the following changes - (i) Na_(2) CO_(3) rarr NaHCO_(3) (ii) Al_(2) (SO_(4))_(3) rarr Al(OH)_(3) (ii) Na_(2) S_(2) O_(3) rarr S_(4) O_(6)^(-2)