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2 years ago

Which is the correct name of this compound CoS

Chemistry

1 answer:

Dafna11 [192]2 years ago

6 0

Answer:

its Carbonyl sulfide :)

Explanation:

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How many atoms of lodine(I) are in 0.156 grams of I?

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Answer: iodine 131 iodine 132 isotopes

Explanation:

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3 years ago

How do you think the temperatures of these two cooking appliances compare?

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What is the two coking appliances

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3 years ago

What are the formulas of the acids: AsO4 CIO4 ( l ) S ( ll ) F ( l ) PO4 (lll)

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Mg3(AsO4)2
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Sorry I don’t know all of them, good luck though! :)

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3 years ago

Find the concentration of H+ ions at a pH = 11 and

Black_prince [1.1K]

Explanation:

the pH of the solution defined as negatuve logarithm of $H^+$ ion concentration.

$pH=-\log[H^+]$

1. Hydrogen ion concentration when pH of the solution is 11.

$11=-\log[H^+]$

$[H^+]=1\times 10^{-11} mol/L$ ..(1)

At pH = 11, the concentration of $H^+$ ions is $1\times 10^{-11} mol/L$ .

2. Hydrogen ion concentration when the pH of the solution is 6.

$6=-\log[H^+]'$

$[H^+]'=1\times 10^{-6} mol/L$ ..(2)

At pH = 6, the concentration of $H^+$ ions is $1\times 10^{-6} mol/L$ .

3. On dividing (1) by (2).

$\frac{[H^+]}{[H^+]'}=\frac{1\times 10^{-11} mol/L}{1\times 10^{-6} mol/L}=1\times 10^{-5}$

The ratio of hydrogen ions in solution of pH equal to 11 to the solution of pH equal to 6 is $1\times 10^{-5}$ .

4. Difference between the $H^+$ ions at both pH:

$1\times 10^{-6} mol/L-1\times 10^{-11} mol/L=9.99\time 10^{-7} mol/L$

This means that Hydrogen ions in a solution at pH = 7 has $9.99\time 10^{-7} mol/L$ ions fewer than in a solution at a pH = 6

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3 years ago

Read 2 more answers

Should people use crispr to change human traits

noname [10]

Answer:

What do YOU think?

Explanation:

This question is asking for an opinion. The word should is included.

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2 years ago