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galina1969 [7]
3 years ago
14

What is the molar of mass of copper (II) sulfate CuSOu?

Chemistry
1 answer:
Aleksandr-060686 [28]3 years ago
8 0
191.546,,,,,,,,,,,,,,,,,,,
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Compared with the freezing-point depression of a 0.01 m c6h12o6 solution, the freezing-point depression of a 0.01 m nacl solutio
agasfer [191]

Answer:

Twice  as much.

Explanation:

That's because the freezing point depression depends on the total number of solute particles.

C₆H₁₂O₆(s) ⟶ C₆H₁₂O₆(aq)

0.01 mol of C₆H₁₂O₆ gives 0.01 mol of solute particles.

NaCl(s) ⟶ Na⁺(aq) + Cl⁻(aq)

1 mol of NaCl gives 0.01 mol of Na⁺(aq) and 0.01 mol of Cl⁻(aq).

That's 0.02 mol of particles, so the freezing point depression of 0.01 mol·L⁻¹ NaCl will be twice that of 0.01 mol·L⁻¹ C₆H₁₂O₆.

6 0
3 years ago
Which term found in the electromagnetic spectrum is determined by its wavelength?
saveliy_v [14]

Answer:  The answer is frequency.

Explanation:  If the wavelength is long, the frequency will be low.  If the wavelength is short, the frequency will be high.

7 0
2 years ago
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What are some physical properties that could have helped to identify a mystery powder?
Rus_ich [418]

i dont really know i will find some more information on that in about 5 minutes

6 0
3 years ago
Temperature is an example of a categorical variable a quantitative variable either a quantitative or categorical variable neithe
ludmilkaskok [199]

Answer: Temperature is an example of a quantitative variable

Explanation:

A quantitative variable is defined as :

  • A variable that can assume a numerical value .
  • It can be ordered with respect to either magnitude or dimensions.
  • It is further classified into two types : interval scale and ratio scale.

Temperature comes under interval scale , because interval scale has no zero point.

For example : A 0° C Celsius does not interpret that there is no temperature.

Therefore , Temperature is an example of a quantitative variable.

Hence, the correct answer is "quantitative variable"

5 0
3 years ago
An electrochemical cell is constructed using two half-cells: Al(s) in Al(NO2)3(aq) and Cu(s) in Cu(NO3)2(aq). The two half cells
wlad13 [49]

Answer:

Cu(s) in Cu(NO₃)₂(aq)

Explanation:

The standard reduction potential (E°) is the energy necessary to reduce the atom in a redox reaction. When an atom reduces it gains electrons from other than oxides. As higher is E°, easily it will reduce. The substance that reduces is at the cathode of a cell, where the electrons go to, and the other that oxides are at the anode of the cell.

The standard reduction potentials from Al(s) and Cu(s) are, respectively, -1.66V and +0.15V, so the half-cell of Cu(s) in Cu(NO₃)₂(aq) is the cathode.

4 0
3 years ago
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