15-10-2020
Chemistry

contestada

Element X has two natural isotopes. The isotope with a mass of 10.012 amu (10X) has a relative abundance of 19.91%. The isotope with a mass of 11.009 ammu (11X) has a relative abundance of 80.09%. Calculate the atomic mass of this element.

Respuesta :

realnug realnug

15-10-2020

Answer:

10.81

Explanation:

you can see the answer at the pic

Ver imagen realnug

Answer Link

Otras preguntas

A carton of milk contains 2.5L. If Zoe drinks 250ml twice a day, for how many days will the bottle last? The answer is 5 days but how? Please help

A circle is described by the equation x2 + y2 + 14x + 2y + 14 = 0. What are the coordinates for the center of the circle and the length of the radius? a. (-7,

Which is the result of a seasonal change? a. A kitten growing up to be a cat b. Forests shrinking due to fire c. Grass dying from pollution d. Birds migrati

which of the following is not an authoritarian form of government A Absolute monarchy B. Totalitarianism C. Dictatorship D. Direct Democracy

Which is the best unit for measuring the weight of an elephant? a. Ounces b. Tons c. Gallons d. Miles

If z = a - bi, which of the following must be true of the imaginary part of the complex conjugate of z? a. It must be the opposite of -bi. b. It must be the o

In the first year of his presidency, Bill Clinton failed to win congressional approval of his economic stimulus package because __________. a. Republicans contr

Which statement is true for the equation 2x - 2x - 7 = -7? a. It has infinitely many solutions b. It has two solutions c. It has one solution d. it has no s

animals such as bears consume both plants and other animals are referred to as

which of the following is not an authoritarian form of government A Absolute monarchy B. Totalitarianism C. Dictatorship D. Direct Democracy