emersonriley22 emersonriley22

21-05-2022
Chemistry

contestada

How many grams of Na2O are needed to make 10.0 L of a 0.250 M solution?

Respuesta :

ashish4112119 ashish4112119

21-05-2022

Answer:

154.9475 grams

Explanation:

61.979g/mol is molar mass of Na2O

61.979g/mol times .250 M times 10L = 154.9475 grams

Answer Link

21-05-2022

n[Na2O]= CxV
We have C= 0.250M, V=10.0L
So n[Na2O]= 0.250x10.0=2.5mol
M[Na2O]=62g/mol
—> m= nxM = 2.5x62=155g

Answer Link

Otras preguntas

PLEASE HELP I WILL GIVE BRAINLIEST.

Identify the tense of each verb. and place it with its correct column. columns: Past, Present, Future WORDS:

The equation of the circle whose center is at (2, 1) and radius is 3 is A. (x + 2)² + (y + 1)² = 9 B.(x - 2)² + (y - 1)² = 9 C.(x - 2)² + (y - 1)² = 3

One of the reactions that occurs in a blast furnace, in which iron ore is converted to cast iron, is Fe2O3 + 3CO → 2Fe + 3CO2 Suppose that 1.19 × 103 kg of Fe i

Match the words with their proper definition. Part A 1. founder of Islam whose prophetic teachings became the basis of Islamic civilization 2. the religious a

1.- Menthol is a flavoring agent extracted frompeppermintoil. It contains C, H, and O. In one combustion analysis,10.00 mg of the substance yields 11.53 mg H2O

PART A: How does the author describe the relationship between climate and the issue of slavery? A Harsh climate conditions and a poor harvest created hostility

Help pls..............

-2(2x+5)=7x-32 what is the answer?

How many sides does a regular polygon have if it’s central angle is 35 degrees?