busybee9335 busybee9335

20-02-2020
Chemistry

contestada

If the molar mass of NaCl is 58.44 g/mol, what amount of NaCl (in mol) is contained in 250.0 mg of NaCl?

Respuesta :

pstnonsonjoku pstnonsonjoku

20-02-2020

Answer: 0.004 moles

Explanation:

Amount of substance= mass/ molar mass

Mass= 250mg or 0.25g

Molar mass= 58.44gmol-1

Amount= 0.25/58.44

= 0.004 moles

Answer Link

Otras preguntas

examples for non metals

Inez has a phone card. The graph shows the number of minutes that remain on her phone card after a certain number of days. The slope of the line that represents

During which conditions would a river most likely develop? When evapotranspiration exceeds precipitation When it rains more than it snows When precipita

The most valid evidence in an argument about water use would come from an article about a) the amount of water use by season of a single household catalogued o

Explain your thinking, is the 07385200131-1 UPC code valid? a,. Using multiplication and addition to check the digits it is invalid because the total is 51 and

€1 = 0.72 what is €410 in £

what is an autotroph

If p-1 is a factor of p⁴+p²+p-k what is the value of k

Archetypes are a type of _______ that appear throughout history. A. subgenre B. motif C. prototype D. foreshadowing

Pakistan k match ka kya hua