g86wp2htd4 g86wp2htd4

22-06-2022
Chemistry

contestada

How many moles are equal to a 0.25g sample of al?

Respuesta :

saadatk saadatk

22-06-2022

Answer:

0.00926

Explanation:

no. of moles = mass ÷ molar mass (RMM)

Molar mass of Al is 27.

∴ no. of moles = 0.25 ÷ 27

= 0.00926 moles (3 s.f.)

Answer Link

allyhey7j8 allyhey7j8

22-06-2022

Answer:00926

Explanation:

Answer Link

Otras preguntas

One reason congress did not want to purchase alaska was _______.

what was the scramble for Africa in the late 1800s and early 1900s

Stefan has recently started using an email application program. He opens his email application and notices a message with a paper clip icon. What does the paper

What happens after meiosis to introduce even more genetic variation in sexually reproducing organisms?

The reaction 2Fe + 3Cl ------> 2FeCl3 is an example of which type of chemical reaction? single replacement synthesis combustion decomposition

Redistricting power was abused by creating congressional districts of unequal power and by

what are the most culturally diverse places in Latin America? A. the rural areas B. the mountains C. the lowlands D. the cities

Which of the following was the most significant contribution made by John Adams to the U.S. Constitution?

You have two exponential functions. One function has the formula g(x) = 3(2 x ). The other function has the formula h(x) = 2 x+1. Which option below gives formu

Magadh set up the city of Patna because it was a good place to battle with other kingdoms, why?