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3 years ago

_____________ are solvents made from natural sources such as pine and citrus oils.

Chemistry

2 answers:

MA_775_DIABLO [31]3 years ago

7 0

Answer:

Terpene

Explanation:

They generally have strong characteristic odours. Specific Terpenes used in cleaning are a-pinene, d-limonene, and turpentine, which is a mixture of terpenes.

They are organic solvents.

Tom [10]3 years ago

4 0

Answer:

Terpene

Explanation:

Terpene is a organic solvents that are usually derived from natural sources such as pine trees or citrus fruit. They generally have strong characteristic odors.

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morpeh [17]

Answer:

To raise the pH of the solution to 3.10 we have to add 2.34 L of water.

Explanation:

Given that the pH of the solution of HCl in water is 2.5. Here the solution’s pH is changing from 2.5 to 3.10 which means the acidic nature of the solution is decreasing here on dilution. $[H^+]$ ions contribute to a solution’s acidic nature and $[OH^-]$ contribute to a solution’s basic nature.

The equation connecting the concentration of $[H^+]$ and pH of a solution is pH= $-log[H^+]$

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When the pH is $3.1 [H^+ ]= 10^(^-^3^.^1^)=0.000794$ 

On dilution the concentration of a solution decreases and volume increases.

 $M_1 V_1 = M_2 V_2$ 

 $0.00316 \times 1 = 0.000794 \times V_2$ 

 $V_2 = \frac{(0.00316 \times 1)}{0.000794} =3.24$ 

Volume of water to be added $=3.24-1$ 

 $=2.24L$ 

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3 years ago

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Andru [333]

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Hope this helps