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7nadin3 [17]
4 years ago
9

Calculate the ph of a 0.059 m solution of ca(oh)2

Chemistry
1 answer:
Vlada [557]4 years ago
5 0
Hydronium conc. = 0.059

pH = - log (0.059)

pH = - (-1.22914799)

pH = 1.229 = 1.2 ... Ans
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3 years ago
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7 0
4 years ago
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An emulsifying agent is typically characterized by having
pochemuha

The third substance or agent which produce the film between the interface of two immiscible liquids and thus stabilize the system are known as an emulsifying agent.

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5 0
4 years ago
acetylene gas c2h2 undergoes combustion to produce carbon dioxide and water vapor How many grams of water are produced by the sa
ella [17]

<u>Answer:</u> The amount of water produced in the given reaction is 0.692x grams.

<u>Explanation:</u>

Let us assume that the initial amount of acetylene gas given be 'x' grams. Now, to calculate the number of moles, we will use the formula:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}   ....(1)

Given mass of acetylene = x grams

Molar mass of acetylene = 26 g/mol

Putting values in above equation, we get:

\text{Number of moles of acetylene}=\frac{xg}{26g/mol}=\frac{x}{26}mol

The reaction of combustion of acetylene is given by the equation:

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By Stoichiometry of the reaction:

2 moles of acetylene produces 2 moles of water.

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Now, to calculate the amount of water produced, we use equation 1:

Molar mass of water = 18 g/mol

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Putting values in equation 1, we get:

\frac{x}{26}mol=\frac{\text{Mass of water}}{18g/mol}

\text{Mass of water}=\frac{x}{26}\times 18=0.692x grams

8 0
3 years ago
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