Chemistry, asked by parasharaditya032, 11 months ago

When 3.86 amperes current is passed through an electrolyte for 50 minutes, 2.4 grams of a covalent metal is deposited. The gram atomic mass of the metal ( in grams) is:

1 point

24

12

64

40

​

Answers

Answered by akibaftabsifmnil
2

Answer:

The quantity of electricity passed =Q(C)=I(A)×t(s)=3.86A×3000s=11580C.

The gram atomic weight of divalent metal = W

mol

g

Moles of electrons passed =

96500

mole

−

C

Q(C)

=

96500

mole

−

C

11580C

=

96500

11580

mole

−

The mass of divalent metal deposited = 2.4 g =atomicweightofmetal×moleratio×molesofelectronspassed

=W

mol

g

×

2mole

−

1molmetal

×

96500

11580

mole

−

W=40

mol

g

.

Previous Question
Next Question
Similar questions
English, 5 months ago
Change the verbs to the present continuous tense 1. The cat eats _____________ in the kitchen. 2. Peter sits _____________ in his tree house. 3. The children bake _____________ biscuits. 4. I walk _____________ to the mall on my own. 5. We paint _____________ our house cream and brown. 6. Nina plays _____________ the piano quite well. 7. The boys ride _____________ their bicycles...
Geography, 5 months ago
When wind blows over the oceans's surface, it creates waves. Their size depends on how far, how fast and how long the wind blows. Particles of water are pushed down by the wind and they come up again. This up and down movement is passed from one particle to another and is visible as a wave. The highest point the waves reaches is called the crest. The lowest point is called the trough. The...
Math, 5 months ago
Find f'(x) (the derivative of f(x)) if f(x) = 7x^3 - 2x^2 + 4x - 5.
Science, 11 months ago
What will happen if someone sleeps in a closed room. with burning cool at one end during a cold winter night?​
English, 11 months ago
You have joined a new club at school and attended your first meeting. Write a blog post about it. a Decribe the meeting b Give your personal opiniom od the club's activities c Suggest how the club could improve its activities d Make a request for some equipment Help meeee!! Please...
English, 1 year ago
Each of you____responsible (is/are).​
Math, 1 year ago
[sin(theta)/1-cos(theta)]+[tan(theta)/1+cos(theta)]=cot(theta)+sec(theta)×cosec(theta)​...
Chemistry, 1 year ago
At 80°C, the vapour pressure of pure liquid A is 520 mm Hg and that of pure liquid B is 100mmHg. If a mixture of solution A and B boils at 80°C and latm pressure. The amount of A in the mixture is (1atm = 760mmHg) 1) 50 mol% 2) 52mol% 3) 34 mol% 4) 48 mol% ​...