dxstlz1 dxstlz1

11-06-2022
Chemistry

contestada

What is average RAM of copper including 70% Cu, RAM= 63 and 30% Cu, RAM= 65

Respuesta :

11-06-2022

Answer: 63.6 u

Explanation:
RAM = RAM of isotope-1 X (% abundance) + RAM of isotope-2 X (% abundance) ÷ 100

63 X 70% + 65 X 30% ÷ 100 = 63.6 u

Answer Link

Otras preguntas

Question 2 3 Sarah had 28 stickers and put x number of stickers on her binder. Haylee had 40 stickers and put three times as many stickers on her locker as Sara

the answer is A just took 2021 edge

Could you help me??? It’s year8 maths

Create a python program that display thisFactorial CalculatorEnter a positive integer: 55! = 1 x 2 x 3 x 4 x 5The factorial of 5 is: 120Enter a positive integer

Volume = 90g / 3g cm3 What is the volume help ASAP

Need help with corrections :( 18. ¿Mandas una tarjeta a tu amigo? Sí, la mando para él. teachers message: a tu amigo is the indirect object we are trying to rep

Explain why Pope Urban II helped Byzantine at the start of the Crusades.

:) (8x2 + 7y2 – z2 + 2yz + 3xz - 5xy) (2x – 3y) slove this in vertical method

Why was Congregationalism important?

Do you think the use of technology helps in the classroom?