Question

How many moles of strontium hydroxide are needed to neutralize 2.0 mol of phosphoric acid? Be careful to write a balanced chemical equation first.

1) 1.0 mol
2) 2.0 mol
3) 3.0 mol
4) 6.0 mol

Answer 1

To neutralize the given amount of phosphoric acid, 3. 3.0 mol of strontium hydroxide is needed.

Step-by-step explanation:

To determine the number of moles of strontium hydroxide needed to neutralize phosphoric acid, we first need to write a balanced chemical equation for the reaction:

3H3PO4 + 6Sr(OH)2 → 2Sr3(PO4)2 + 6H2O

From the balanced equation, we can see that 3. 3 moles of phosphoric acid react with 6 moles of strontium hydroxide. Therefore, the correct answer is 3.0 mol of strontium hydroxide.