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1 year ago

8

Use Appendix C to choose the solution with the higher pH:0.1MSn{NO₃)₂ or 0.1MCoNO₃)₂

1 answer:

stepan [7]1 year ago

7 0

pH of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base.

pH is virtually a measure of the relative quantity of free hydrogen and hydroxyl ions in the water. Water that has extra free hydrogen ions is acidic, whereas water that has greater free hydroxyl ions is basic.

<h3>What is a high pH?</h3>

High pH. A waterbody is considered to have a excessive pH if pH exceeds 9 for extended intervals or with excessive frequency. High pH is much less frequent than low pH as a candidate cause, due to the fact anthropogenic sources are acidic more frequently than basic.

<h3>What increases the pH of water?</h3>

Soda ash (sodium carbonate) and sodium hydroxide increase the pH of water to near neutral when injected into a water system. Unlike neutralizing filters, they do no longer motive hardness troubles in dealt with water. Injection structures are a point-of-entry system.

Learn more about pH here:

<h3>brainly.com/question/22390063</h3><h3 /><h3>#SPJ4</h3>

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⦁ Find the concentration of H+, OH-, PH and POH of 0.03 M of magnesium hydroxide which ionizes to the extent of only 1 /3 in aqu

lions [1.4K]

Answer:

$pH=12.3\\\\pOH=1.7\\$

$[H^+]=5x10^{-13}M$

$[OH^-]=0.02M$

Explanation:

Hello there!

In this case, according to the given ionization of magnesium hydroxide, it is possible for us to set up the following reaction:

$Mg(OH)_2(s)\rightleftharpoons Mg^{2+}(aq)+2OH^-(aq)$

Thus, since the ionization occurs at an extent of 1/3, we can set up the following relationship:

$\frac{1}{3} =\frac{x}{[Mg(OH)_2]}$

Thus, x for this problem is:

$x=\frac{[Mg(OH)_2]}{3}=\frac{0.03M}{3}\\\\x= 0.01M$

Now, according to an ICE table, we have that:

$[OH^-]=2x=2*0.01M=0.02M$

Therefore, we can calculate the H^+, pH and pOH now:

$[H^+]=\frac{1x10^{-14}}{0.02}=5x10^{-13}M$

$pH=-log(5x10^{-13})=12.3\\\\pOH=14-pH=14-12.3=1.7$

Best regards!

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Mrac [35]

Answer:

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Explanation:

don't worry

its is correct!

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4P + 502 -> P4O10 this is the answer

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Answer:

16.0%.

Explanation:

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Energy is absorbed so, the mass is increased.
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