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den301095 [7]
4 years ago
7

You add 10.0 grams of solid copper(II) phosphate, Cu3(PO4)2, to a beaker and then add 100.0 mL of water to the beaker at T = 298

K. The solid does not appear to dissolve. You wait a long time, with occasional stirring and eventually measure the equilibrium concentration of Cu2+(aq) in the water to be 5.01×10−8 M. What is the Ksp of copper(II) phosphate?

Chemistry
1 answer:
Natalija [7]4 years ago
3 0

Answer:

1.4×10-37

Explanation:

The equation for the dissolution of the copper II phosphate is first written as shown and the ICE table is set up as also shown. S is obtained as shown and this is now used to obtain 2s and subsequently the solubility product of the calcium phosphate as shown in detail in the image attached to this solution. The step-by-step solution shows how to obtain Ksp when concentration at equilibrium is given.

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4 0
3 years ago
The Kelvin value of 40° C (Celsius) is 313.150 K. (Identify whether it is True or False)
Veronika [31]

Answer:

True

Explanation:

We want to find what 40° Celsius is equal to in Kelvin. The formula is below.

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Since we want to find Kelvin for 40° C, substitute 40 in for °C.

K= 40 +273.15

Add the two numbers together.

K= 313.15

The questions asks us if 40° C is equal to 313.150 K. Our answer is 313.15 K. Since 313.150 and 313.15 are equal, the answer is true.

8 0
4 years ago
Line M passes through the points (-5, 9) and (-1,9).
bekas [8.4K]

Answer:

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Explanation:

3 0
3 years ago
The mass of a block is 12 g and the volume is 6 ml. Calculate the density of the block. (science)
zalisa [80]

Answer:

<h3>The answer is 2.0 g/mL</h3>

Explanation:

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density =  \frac{mass}{volume}  \\

From the question

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volume = 6 mL

We have

density =  \frac{12}{6}  \\

We have the final answer as

<h3>2.0 g/mL</h3>

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3 years ago
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Answer:

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