26-01-2021
Chemistry

contestada

How many atoms are in 1.85 grams of calcium?

Respuesta :

1234028 1234028

26-01-2021

Answer:

(185 g Ca) / (40.0784 g Ca/mol) × (6.022 × 10^23 atoms/mol) = 2.78 × 10^24 atoms Ca

Explanation:

Answer Link

Otras preguntas

a solid pyramid with a square base with side 12 cm and height 25 cm is made of metal. The metal is melted to form spherical ball bearings of radius 7 mm. How ma

outline Ayub khan's policies from 1958-1969.

Which of the following would not have been an early goal of the Knights of Labor? A. To end child labor B. To get equal pay for women C. To end the practice of

If you haves came to new world how would you survive

For the third week of July, Susan Gray worked 43 hours. Susan earns $17.70 an hour. Her employer pays overtime for all hours worked in excess of 40 hours per we

Increase 26 by 277%

Advances in cloud computing have opened a new field in application redundancy and backup. Because organizations that lease ____ are in effect using a preconfigu

Help plzzz!!Given P(A) = 0.78, P(B) = 0.65 and P(AUB) = 0.873, find the value of P(An B), rounding to the nearest thousandth, if necessary.

a solid pyramid with a square base with side 12 cm and height 25 cm is made of metal. The metal is melted to form spherical ball bearings of radius 7 mm. How ma

( -7v 4 - 5v ) - ( -5v 3 - 2v ) + ( -7v - 6v 4 - 4v 3 ) simplified