Home
Class 12
CHEMISTRY
Rahul Dravid wants to wear 6.023xx10^(21...

Rahul Dravid wants to wear `6.023xx10^(21)` Ag atms in the form of a ring. His Silver Gold Copper alloy ring consists of 20% of Silver. The mass of the ring is 0.9 x. What is x?

Text Solution

Verified by Experts

The correct Answer is:
6
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • STOICHIOMETRY

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE-II LEVEL-I STRAIGHT OBJECTIVE TYPE QUESTIONS)|10 Videos

  • STOICHIOMETRY

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE-II LEVEL-II STRAIGHT OBJECTIVE TYPE QUESTIONS)|10 Videos

  • STOICHIOMETRY

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE-I LEVEL-II LINKED COMPREHENSION TYPE QUESTIONS)|7 Videos

  • STATES OF MATTER

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE -PRACTICE SHEET (ADVANCED) (LINKED COMPREHENSION TYPE QUESTIONS) (PASSAGE- IV)|2 Videos

  • SURFACE CHEMISTRY

    AAKASH SERIES|Exercise Objective Excersice - 4 (ASSERTION (A)& REASON (R ) TYPE QUESTION)|34 Videos

Similar Questions

Explore conceptually related problems

A copper wire is held at the two ends by rigid supports. At 60 0 C, the wire is just taut with negligible tension. The speed of transverse waves in this wire at 10^(@)C is x xx 10^(1) m/s, what is the value of x (y = 1.6 xx 10^(11) N//m^(2), alpha = 1.8 xx 10^(-6) l^(0)C) and density rho = 9 xx 10^(3) kg//m^(3)

At T(k), copper (atomic mass=635 u) has fcc unit cell structure with edge length of x A . What is the approximate density of Cu in g cm^-3 at that temperature? ( N_A=6.0 times 10^23 mol^-1 )

Knowledge Check

  • Density of a unit cell is represented as rho=("Effectiveno.ofatom(s)x Mass of a unit cell")/("Volume of a unit cell")=(Z.M.)/(N_(A).a^(3)) Where, mass of unit cell = mass of effective no. of atom(s) or ion(s). M = At. wt./formula wt. N_(A)="Avogadro’s no. "rArr 6.023xx10^(23) a = edge length of unit cell Silver crystallizes in a foc lattice and has a density of 10.6g//cm^(3) ? What is the length of an edge of the unit cell?

    A
    0.407 nm
    B
    0.2035 nm
    C
    0.101 nm
    D
    0.407 nm

  • Half lives of two isotopes X and Y of a material are known to be 2xx10^(9) years and 4xx10^(9) years respectively. If a planet forms with equal number of these isotopes, estimate the current age of the planet, given that currently the material has 20% of X and 80% of Y by number

    A
    `2xx10^(9)` years
    B
    `4xx10^(9)` years
    C
    `6xx10^(9)` years
    D
    `8xx10^(9)` years

    • Similar Questions

    Explore conceptually related problems

    Calculate the concentration of free silver ion [Ag^(+) ] in an aqueous solution that is prepared as 0.1 M AgNO_3 and 3.0 M NH_3 ,Ag^(+) (aq) +2 NH_3 (aq) hArr [Ag(NH_3) _2]^(+) (aq) K_(f) = 1.6 xx 10^(7) . If answer is x xx 10^(-10) M then x= ______?

    Home
    Profile