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Levart [38]
3 years ago
8

Which is the formula for diarsenic pentoxide?

Chemistry
1 answer:
Andre45 [30]3 years ago
4 0
The formula is As205
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If I add water to oil what will happen
Alex

The oil, even a little drop, will spread out over the water surface and break up into many little blobs.

8 0
3 years ago
You titrate 25.00 ml of 0.1894 M acetic acid with 0.2006 M NaOH. How many ml of NaOH (to four significant figures) will be requi
Anvisha [2.4K]

Answer:

23.60 mL NaOH

Explanation:

The reaction is CH3COOH + OH- --> CH3COO+ + H2O

Since the reaction is one-to-one, we can use M1V1 = M2V2.

M1 = 0.1894 M CH3COOH

V1 = 25.00 mL CH3COOH

M2 = 0.2006 M NaOH

V2 = ?

Solve for V2 --> V2 = M1V1/M2

V2 = (0.1894 M)(25.00 mL) / (0.2006 M) = 23.60 mL NaOH

8 0
3 years ago
Imagine two solutions with the same concentration and the same boiling point, but one has benzene as the solvent and the other h
aleksandrvk [35]

Answer:

Concentration = 1.32 m

Boiling point = 83.44^{0}C

Explanation:

Let the boiling point of two solutions = T

Let the molal concentration of the two solutions= m

The relation between elevation in boiling point and molal concentration is:

elevationinboiling point=K_{b}Xmolality

i) For benzene

T-80.1=2.53Xm

T=2.53m+80.1 ....(1)

ii) For carbon tetrachloride

T-76.8=5.03Xm

T=5.03Xm+76.8 ...(2)

Equating the two equations:

5.03Xm+76.8=2.53m+80.1\\m=1.32molal

Putting value of "m" in equation "1"

T=2.53(1.32)+80.1=83.44^{0}C

5 0
3 years ago
Please help me
Step2247 [10]
A) Combustion
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8 0
4 years ago
Read 2 more answers
A student is working with four different solid substances: sodium calcium copper and iodine. which substance is most likely to b
Alenkasestr [34]

Answer:

iodine

Explanation:

<em>The substance that can break easily from the list of substances is the </em><em>iodine</em><em>.</em>

<u>Iodine exists as a molecular solid and hence, the molecules are held together by weak Van Der Waal's forces. Iodine thus has characteristic properties of typical molecular solids which include being able to be broken into pieces easily (brittle), low melting and boiling points, insolubility in water, among other properties.</u>

The characteristics of iodine are unlike sodium, calcium, and copper that exist as metal which is hard, tough with high tensile strengths.

5 0
3 years ago
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