Seudónimo Seudónimo

20-04-2022
Chemistry

contestada

What mass of Ca(OH)2 is contained in 1500 mL of 0.0250 M Ca(OH)2 solution?

Your answer:

1.85 g

2.34 g

2.78 g

3.17 g

Respuesta :

Аноним Аноним

21-04-2022

We need moles of Ca(OH)_2

Molarity=Moles/Volume in L
0.025=Moles/1.5
Moles=1.5(0.025)
Moles=0.0375mol

Molar mass of Ca(OH)_2=74g/mol

Now

Mass=Molar mass×Moles
Mass=0.0375×74
Mass=2.77g

Option C

Answer Link

Otras preguntas

Describe an early monotreme mammal.

Sally has twice as many dimes as nickels. The total value is $3.50 how many nickels and dimes does she have?

In a certain class, 40% of the students are girls, and 20% of the girls wear glasses. What percent of the children in the class are girls who wear glasses?

How do you do transversal of parallel lines??

A toaster oven uses 67,500 joules of energy in 45 seconds to toast a piece of bread. What is the power of the oven?

joel has twice as many CDs as Mariella has. subtracting 7 from the number of cds joel has and dividing by 3 equals the number of cds Blake has. If blake has 25

need it asap... a survey conducted in a school showed that 65% of the students walked to school. The remaining students took buses to school. The ratio of stude

when was slate found

How many numbers between 200 and 400 meet one or both of the conditions given in the two statements below? Statement 1: The number begins with 3 Statement 2: Th

express the indicated likelihood as a probability values between 0 and 1.question: Ben Franklin said that death is a certainty of life