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Anettt [7]
3 years ago
8

The complete balanced equation for the reaction between zinc hydroxide and acetic acid is

Chemistry
1 answer:
kicyunya [14]3 years ago
7 0

Answer:

Zn(OH)2 + 2CH3COOH -----> Zn(CH3COO)2 + 2H2O

Explanation:

Zn(OH)2 + 2CH3COOH -----> Zn(CH3COO)2 + 2H2O

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IceJOKER [234]

Answer:

which one?

Explanation:

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A metal sample has a mass of 64.2 g. What is the density of this metal?
brilliants [131]

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8 0
3 years ago
The hydrogen gas produced is collected over water at 25.0 oC. The volume of the gas is 7.80 L, and the total pressure in the gas
Eva8 [605]

Answer:

20.4 grams Zn

Explanation:

To find the mass, you first need to find the moles. This can be found using the Ideal Gas Law equation:

PV = nRT

In this equation,

-----> P = pressure (atm)

-----> V = volume (L)

-----> n = moles

-----> R = Ideal Gas Constant (0.08206 atm*L/mol*K)

-----> T = temperature (K)

Before you can plug the values into the equation, you need to convert Celsius to Kelvin.

P = 0.980 atm                   R = 0.08206 atm*L/mol*K

V = 7.80 L                          T = 25.0 °C + 273.15 = 298.15 K

n = ? moles

PV = nRT

(0.980 atm)(7.80 L) = n(0.08206 atm*L/mol*K)(298.15 K)

7.644 = n(24.466)

0.312 moles = n

Now that you have the number of moles, you can convert it to grams using the atomic mass of zinc. The final answer should have 3 sig figs to match the sig figs in the given values.

Atomic Mass (Zn): 65.380 g/mol

0.312 moles Zn           65.380 grams
-------------------------  x  -------------------------  =  20.4 grams Zn
                                         1 mole

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1 year ago
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Gas and liquid both take the shape of their container. The difference is gas molecules equally fills the space. Is there any more information?
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