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allsm [11]
3 years ago
6

Which would be the best to neutralize a large acid spill in your school lab: sodium hydroxide or baking soda? Explain

Chemistry
1 answer:
igor_vitrenko [27]3 years ago
6 0
It is much better to use baking soda. Any acid that reacts with baking soda gives off carbon dioxide. Hence, you can see an endpoint through the fizzing. With this, you will know when to stop adding. If you use NaOH, you might add it to an acid that creates an exothermic reaction. For example, if the acid was sulfuric acid, it will create more heat which will lead to more unfortunate events. To be safe, you add baking soda to neutralize, then mix it with a bit of water.
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Number of grams of hcl that can react with 0.500 grams of Al(OH)3
vlabodo [156]

Answer:

0.7g of HCl

Explanation:

First, let us write a balanced equation for the reaction between HCl and Al(OH)3.

This is illustrated below:

Al(OH)3 + 3HCl —> AlCl3 + 3H2O

Next, let us obtain the masses of Al(OH)3 and HCl that reacted together according to the equation. This can be achieved as shown below:

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Now we can obtain the mass of HCl that would react with 0.5g of Al(OH)3. This can be achieved as follow:

Al(OH)3 + 3HCl —> AlCl3 + 3H2O

From the equation above,

78g of Al(OH)3 reacted with 109.5g of HCl.

Therefore, 0.5g of Al(OH)3 will react with = (0.5 x 109.5)/78 = 0.7g of HCl

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ivanzaharov [21]

Answer:

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