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### Topic: Writing Balanced Formula for reaction of Sodium Hydroxide & Hydrochloric Acid  (Read 30910 times)

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#### Bekah

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##### Writing Balanced Formula for reaction of Sodium Hydroxide & Hydrochloric Acid
« on: November 16, 2007, 12:20:59 AM »
How do you write a balanced equation for the reaction of sodium hydroxide and hydrochloric acid?

How do you write a balanced equation for the reaction of sodium hydroxide and phosphoric acid?

Thanks for any help you can offer.

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##### Re: Writing Balanced Formula for reaction of Sodium Hydroxide & Hydrochloric Acid
« Reply #1 on: November 16, 2007, 12:39:08 AM »
How do you write A balanced equation or The belanced equation?

If you meant the balanced eqn, the general rxn between an acid and a base is:
Acid + base ---> water + salt

For the first one:
NaOH +  HCl ---> H20 + NaCl

#### Bekah

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##### Re: Writing Balanced Formula for reaction of Sodium Hydroxide & Hydrochloric Acid
« Reply #2 on: November 16, 2007, 01:25:38 AM »
yes, I meant The balanced equation.

so for the second question the answer is

NaOH + H3PO4---->H2O + NaCl

Are these balanced?

#### Sev

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##### Re: Writing Balanced Formula for reaction of Sodium Hydroxide & Hydrochloric Acid
« Reply #3 on: November 16, 2007, 01:33:31 AM »
Quote
NaOH + H3PO4---->H2O + NaCl

Where did phosphorus go?  NaCl is just one example of a salt.  Salts are just ionic compounds: eg. NaH2PO4.

#### Bekah

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##### Re: Writing Balanced Formula for reaction of Sodium Hydroxide & Hydrochloric Acid
« Reply #4 on: November 16, 2007, 01:37:05 AM »
woops....

NaOH + H3PO4-----> H2O + NaPO4?

balancing?

#### Sev

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##### Re: Writing Balanced Formula for reaction of Sodium Hydroxide & Hydrochloric Acid
« Reply #5 on: November 16, 2007, 01:58:12 AM »
3NaOH + H3PO4 → Na3PO4 + 3H2O.