keylanharper keylanharper

12-05-2020
Chemistry

contestada

How many moles are in 442.8 g of strontium carbonate (SrCO3)?

A) 1.000
B) 65 360
C) 1.500
D) 3.000

Respuesta :

aabdulsamir aabdulsamir

18-05-2020

Answer:

3 moles

Explanation:

SrCO3

Mass = 442.8g

Molar mass = (87.6 + 12 * [16*3]) = 147.6g/mol

Number of moles = mass / molar mass

Number of moles = 442.8 / 147.6

Number of moles = 3

Answer Link

Otras preguntas

Which of the following digits could replace the □ in the thousands place to make this statement true?39□,077 rounds to 394,000 if we round to the nearest thousa

I got ALL of the answers but I can't explain it at all... please explain guys I have NO idea! PROBLEM: In right △ABC, the altitude CH to the hypotenuse AB inter

Which event is most likely to cause rejuvenation of a stream? A. During an earthquake, the stream is lifted to a higher elevation. B. During a hurricane, h

BRIAR ROSE QUESTIONS 70PointsNeed full paragraphs preferably. if you could include evidence and examples, that would be awesome.1. How does Briar Rose's love st

a school is running a fundraiser. for every $75 worth of wrapping paper sold, the school receives $20. how much wrapping paper must be sold to reach he fundrais

need help/choose all answers that apply

A card is randomly selected from the standard deck. What is the probability of selecting a red card, the king of spades, or the ace of clubs? A: 1/2 B: 7/13 C:

pick 3 correct answers!!! thanks

what is the mystery of amelia airheart???

What is the slope of the line that contains the points (-2,7) and (2, 3)?