Question

Convert the 79.87 %v/v strength of alcohol into proof spirit

Answer 1

Answer:

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Explanation:

The strength of alcohol is calculated in proof degrees. The Indian standards of 100% proof spirit is equal to 57%v/v of ethyl alcohol. alcohol can be converted into proof strength and vice versa by using the following method.

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Answer 2

Answer:

The Proof Spirit is $40.01211$

Explanation:

Given: Strength of alcohol

Find: Proof spirit

Step1

Define:

• Proof spirit is, therefore, an aqueous solution containing 57.1% v/v of absolute alcohol.

• Any alcohol solution, which contains 57.1% v/v alcohol, is a proof spirit and it is said to be 100° Proof

Step 2

Calculate: Proof Spirit

$\text { Proof spirit }=1.753 \times \text { Strength of Alcohol } \% v / v-100$

$\text { Proof spirit }=1.753 \times \text { 79.87 } \% v / v-100$

$\text { Proof spirit }=140.01211-100$$\text { Proof spirit }=40.01211$

If the result is positive it is known as Over proof

If the result is negative it is known as Under proof.

Proof Spirit is Over proof