PINKunicorn1010151 PINKunicorn1010151

13-05-2020
Chemistry

contestada

How many grams of NaOH are needed to prepare 500 mL of a 1.0 M solution?
Question 5 options:

40 grams

20 grams

10 grams

1.0 grams
i got 20 grams is it right

Respuesta :

SvetkaChem SvetkaChem

13-05-2020

Answer:

20 g

Explanation:

M(NaOH) = 23 + 16 + 1 = 40 g/mol

500 mL = 0.5 L solution

1.0 M = 1.0 mol/L NaOH

1.0 mol/L * 0.5 L = 0.5 mol NaOH

0.5 mol * 40 g/ 1 mol = 20 g

Answer Link

Otras preguntas

Which fraction is the greatest (represents the largest quantity) 1/3 3/8 2/5 1/2?

What was a strength for the British during the American Revolution? a. the size of their military b. their ability to acquire supplies c. fighting a war abro

How does a command economy differ from a market economy?

$420 for 15 tickets how do i solve this?

what does it mean for two planes to intersect each other?

What ideas did the Romans borrow from the Greeks

Write 1.48 repeating as a mixed number

induction of 9,3,1,1/3,1/9, what are nrxt three numbers

The numbers Of students in the four sixth-grade classes at Northside School are 26,19,,34,and 21.Use the properties to find the total number of Students in the

What is the correct title for this map? A.)Native American Culture Regions B.)Triangle Trade Routes C.)Prehistoric Migrations Through the Americas D.)