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

a commander in the army at 16 and a king at 20

You spend 264$ on clothes. Shirts cost $24 and pants$32. You buy a total of 9 items

Give one example that characterizes Abigail in Act 2 crucible.

A combined heat-engine and air-conditioning system is planned for a shopping center. Concentrated solar energy will be used to maintain a high-temperature reser

Marcy and her three children have been trying to scrape by ever since Marcy’s husband was killed in an automobile accident. Given what you know about George Mur

These are example of foot and leg protection

Which of the following policies would be most effective to control inflation? a) An increase in government spending to shift aggregate demand to the right. b) A

The future value of a dollar ________ as the interest rate increases and ________ the longer the money remains invested. A. decreases; decreases B. increase

Protects the internal tissues of the body from potiental harm

Some viruses attack cells by inserting their own dna into the host cells dna why might it be simpler for these viruses to attack prokaryotic cells