Question

Ca+H3PO4=? CaO+H3PO4=? Ca (OH)2+H3PO4=?

Answer 1

Ответ:

3 Ca+2 H3PO4 = Ca3(PO4)2+3 H2

3 CaO+2 H3PO4 = Ca3(PO4)2+3 H2O

3Ca(OH)2+2 H3PO4 = Ca3(PO4)2+6 H2O

Answer 2

Let's balance the chemical equations for the reactions you provided:

1. Ca + H3PO4 → Ca(H2PO4)2

2. CaO + H3PO4 → Ca(H2PO4)2

3. Ca(OH)2 + H3PO4 → Ca(H2PO4)2 + H2O

Explanation:

1. The reaction between calcium (Ca) and phosphoric acid (H3PO4) forms calcium dihydrogen phosphate, which is commonly denoted as Ca(H2PO4)2.

2. Calcium oxide (CaO) reacts with phosphoric acid (H3PO4) to produce calcium dihydrogen phosphate (Ca(H2PO4)2).

3. Calcium hydroxide (Ca(OH)2) reacts with phosphoric acid (H3PO4) to form calcium dihydrogen phosphate (Ca(H2PO4)2) and water (H2O).

Please note that the product in all three reactions is calcium dihydrogen phosphate (Ca(H2PO4)2).