Question

KOH+CaCO3 ---> ?KOH+NaNO3 ---> ?

Answer 1

2KOH+CaCO3=K2CO3+Ca(OH)2↓
KOH+NaNO3≠

Answer 2

1)2koh+caco3=ca(oh)2+k2co3
2) koh+nano3=не идет, тк не образуется осадок

Answer 3

Let's break down the reactions step by step:

1. KOH + CaCO3 → ? When potassium hydroxide (KOH) reacts with calcium carbonate (CaCO3), a double displacement reaction occurs, and the products are potassium carbonate (K2CO3) and calcium hydroxide (Ca(OH)2).

   The balanced chemical equation for the reaction is: 2 KOH + CaCO3 → K2CO3 + Ca(OH)2

2. KOH + NaNO3 → ? When potassium hydroxide (KOH) reacts with sodium nitrate (NaNO3), a double displacement reaction occurs, and the products are potassium nitrate (KNO3) and sodium hydroxide (NaOH).

   The balanced chemical equation for the reaction is: KOH + NaNO3 → KNO3 + NaOH

So, the two reactions are:

1. 2 KOH + CaCO3 → K2CO3 + Ca(OH)2
2. KOH + NaNO3 → KNO3 + NaOH