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yarga [219]
2 years ago
6

Giardiasis is an intestinal parasite that can transmitted through person-to-person contact and infested swimming pools. This par

asite is best classified as
nosocomial.

inherited.

contagious.

iatrogenic.

asymptomatic.
Chemistry
1 answer:
Volgvan2 years ago
3 0

Answer:

I think it would be Contagious.

Explanation:

You get it from another person or from food and thats contagious.

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A 25.0 mL sample of 0.105 M HCl was titrated to the equivalence point with 31.5 mL of NaOH. What is the concentration of the NaO
Andrei [34K]

Answer:  The concentration of NaOH is 0.08 M.

Explanation:-

According to the neutralization law,

n_1M_1V_1=n_2M_2V_2

where,

M_1 = molarity of HCl solution = 0.105 M

V_1 = volume of HCl solution = 25 ml

M_2 = molarity of NaOH solution = ?

V_2 = volume of NaOH solution = 31.5 ml

n_1 = valency of HCl = 1

n_2 = valency of NaOH = 1

1\times 0.105M\times 25=1\times M_2\times 31.5

M_2=0.08M

Therefore, the concentration of NaOH is 0.08 M.

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17

Explanation:

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The acetoacetic ester synthesis is a method for preparing methyl ketones from alkyl halides.
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