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Anettt [7]
3 years ago
5

Calculate the pH of this solution 0.0043 M of H2SO4=

Chemistry
1 answer:
Wewaii [24]3 years ago
4 0

Answer:

pH = - log [concentration]

pH = - log (0.0043M)

pH = 2.37

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Which is a potential benefit of genetic engineering in agriculture​
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7 0
3 years ago
When fat comes in contact with sodium hydroxide, it produces soap and glycerin. Determine whether this is a physical change or a
Degger [83]

Answer: Chemical change

Explanation:

Physical change is a change where there is a change in size , shape etc and no new products are formed.

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8 0
3 years ago
Consider the chemical equation for the ionization of CH3NH2 in water. Estimate the percent ionization of CH3NH2 in a 0.050 M CH3
anyanavicka [17]

Answer:  The percent ionization of CH_3NH_2 in a 0.050 M CH_3NH_2(aq) solution is 8.9 %

Explanation:

CH_3NH_2+H_2O\rightarrow OH^-+CH_3NH_3^+

 cM                            0             0

c-c\alpha                       c\alpha            c\alpha

So dissociation constant will be:

K_b=\frac{(c\alpha)^{2}}{c-c\alpha}

Give c= concentration = 0.050 M and \alpha = degree of ionisation = ?

K_b=4.4\times 10^{-4}

Putting in the values we get:

4.4\times 10^{-4}=\frac{(0.050\times \alpha)^2}{(0.050-0.050\times \alpha)}

(\alpha)=0.089

percent ionisation =0.089\times 100=8.9\%

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3 years ago
If Bromine has a density of 7.52 g/ml, which of the following will float in Bromine?
givi [52]
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8 0
3 years ago
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