1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
MArishka [77]
3 years ago
8

A current of 0.15 A is passed through an aqueous solution of K2PtCl4. How long will it take to deposit 1.00 g Pt(s) (M = 195.1)?

Chemistry
1 answer:
koban [17]3 years ago
7 0

First calculate the electric charge used to deposit 1.0 g Pt

C = (1.0 g Pt) (1 mol Pt / 195.1 g Pt) ( 2 mol e / 1 mol Pt) ( 96485 C / 1 mol e)

C = 989.08 C

C = It

Where I is the current

T is the time

T = C / i

T = 989.08 C / 0.15 A

T = 6593.88 s

T = 1.83 hrs

You might be interested in
Hellpppppppppppppppppppppp
zlopas [31]

Answer:

SnH4

Explanation:

Because the melting point of SnH4 is higher than CH4

7 0
3 years ago
Which unit represents 100 meters?
adell [148]

Answer:

Hectometer.

Explanation:

  • <u><em>Hecto- means 100; a hectometer is 100 meters.</em></u>
6 0
3 years ago
Read 2 more answers
Two people are trying to push a large box across a floor. Each person pushes with an equal amount of force. The total amount of
Charra [1.4K]

Answer:

C- 250+250= 500 newtons (the amount the both exerted) :)

Explanation:

5 0
3 years ago
Read 2 more answers
T/f Microscopes are rarely used by forensic scientists.
3241004551 [841]
The answer is false.....

5 0
3 years ago
Read 2 more answers
Which group in the periodic table contains the three elements with the highest
Andreas93 [3]

Answer:

Group 12

Explanation:

Group 12 is also called a transition metal group. This group in the periodic table lies in between the groups or tables. These metals are classified as the transition metal in the table.

These metals are found from the group number 3 to 12. In the periodic table, These transition elements are ductile and malleable. These metal conduct heat and electricity.

These elements are generally called dense and less to react to the alkaline metal. Iron, copper-silver, gold is the most important transition metal.

6 0
3 years ago
Other questions:
  • Strong bases are
    5·1 answer
  • Which statement is true? Nuclear power plants require more fuel than conventional power plants. There is a short supply of high
    13·2 answers
  • Is air a compound mixture or a element.
    13·2 answers
  • 3.01 × 1023 molecules H2O
    8·1 answer
  • Which radioisotope is used as a tracer in nuclear scanning?
    9·1 answer
  • A certain hybrid car has a mileage rating of 47 miles per gallon. If the car makes a trip of 279 miles, how many gallons of gaso
    15·2 answers
  • Which best explains why a bacterial cell is classified as a prokaryote?
    13·1 answer
  • Starting with calcium chloride describe how one can prepare calcium carbonate​
    15·1 answer
  • Please just look up stuff about helium and put it in your own words 3-5 parts ill give brainly
    8·2 answers
  • If oxygen causes fire to burn, why didn't the world explode when fire burns at a particular place...since oxygen is everywhere..
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!