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prohojiy [21]
3 years ago
8

PLEASE HELP WITH THIS QUESTION

Chemistry
2 answers:
gtnhenbr [62]3 years ago
8 0

Answer:

C. Egg

Explanation:

has more higher concentration on water.

Sedbober [7]3 years ago
4 0
It’s C:Egg have a good day
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What is the amount of aluminum chloride produced from 40 moles of aluminum and excess chlorine?
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is it 26.98

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What is the first step in nuclear fission? 60 POINTS BRAINLIEST
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<em><u>Energy is released.</u></em> In the first step, a uranium-235 atom absorbs a neutron, and splits into two new atoms (fission fragments), releasing three new neutrons and a large amount of binding energy.

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What gasous product would you expect when water is drop over calcium carbide​
wolverine [178]

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Ethyn gas ( acetylene gas )

Explanation:

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3 years ago
A solution contains 1.817 mg of CoSO4 (155.0 grams/mole) per mL. Calculate the volume (in mL) of 0.009795 M Zn2 needed to titrat
Nana76 [90]

Answer:

<u> </u><u>85.952 ml</u> Zn^2^+  needed to titrate the excess complexing reagent .

Explanation:

Lets calculate

After addition of 80 ml of EDTA the solution becomes = 20 + 70 = 90 ml

As the number of moles of CoSO_4 =\frac{Given mass }{molar mass}

                                                       =\frac{1.817}{155}

                                                          =0.01172

Molarity = \frac{no. of moles}{volume of solution}

           =\frac{0.01172}{20}

        =0.000586 moles

Excess of EDTA = concentration of EDTA - concentration of CoSO4

                            = 0.009005 - 0.000586

                           = 0.008419 M

As M1V1 ( Excess of EDTA ) = M2V2 (Zn^2^+)

           0.008419\times100ml=0.009795\times V2

           V2=\frac{0.008419\times100}{0.009795}

             V2 =85.952 ml

Therefore , <u>85.952 ml </u>Zn^2^+ needed to titrate the excess complexing reagent .

3 0
3 years ago
A student distills a sample of ink. Devise a simple method to show that the liquid collected is pure water. Include the expected
yulyashka [42]

Answer:

Distillation

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Water vaporizes at lower temperature than the ink pigment so if you heat them, the water evaporates, leaving the ink pigment in the flask

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