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3 years ago

2 NaOH + H2SO4 → 2 H,0 + Na S04

Chemistry

1 answer:

maw [93]3 years ago

6 0

Answer:

200 grams of sodium hydroxide produce 595 grams of sodium sulfate if we have an excess of sulphuric acid

Explanation:

2 NaOH + H2SO4 → 2 H20 + Na S04

From the above chemical equation we can state that

2 moles of sodium hydroxide reacts with 1 mole of sulfuric acid to produce 1 mole of sodium sulfate.

Now if we start with 200 grams of sodium hydroxide and you have an excess of sulfuric acid then the amount in grams of sodium sulfate will be formed

2 moles of sodium hydroxide produce 1 mole of sodium sulfate.

In term of mass, we can say that

40 grams of sodium hydroxide produce 119grams of sodium sulfate

1 grams of sodium hydroxide produce (119/40) grams of sodium sulfate

then 200 grams of sodium hydroxide produce ((119*200)/40) grams of sodium sulfate

or 200 grams of sodium hydroxide produce 595 grams of sodium sulfate

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snow_lady [41]

For that you have to use the Aufbau principle

For example, writing the electronic configuration of Fe(28)

I recommend that you memorize the aufbau principle. Once you learn it, you don’t need anything else except the atomic number of the element to write it’s electronic configuration.

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The ideal gas behavior gets deviated because of the real gases. The particles in the gas occupy finite space and exert interactive forces between themselves.

Explanation:

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3 years ago

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3 years ago

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8090 [49]

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2 years ago

Select the single best answer. Explain the observed trend in the melting points for four isomers of molecular formula C7H16. mp

yaroslaw [1]

Explanation:

It is known that more linearly the atoms are arranged in a carbon chain more will be its melting point. This is because then more surface area has been occupied by the molecule and in order to break all the bonds, heat energy has to reach to the entire surface area.

As a result, melting point of the compound will be high. On the other hand, more is the branching present in a carbon chain less will be the surface area occupied by it. Hence, smaller will be its melting point.

Therefore, in the given structures of ( $C_{7}H_{16}$ ) as the branching increases there occurs a decrease in melting point.

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3 years ago