mayakendal mayakendal

14-02-2021
Chemistry

contestada

How much 2.0 M NaCl solution would you need to make 250 mL of 0.15 M NaCl solution?

Respuesta :

Badwemba32 Badwemba32

14-02-2021

Answer:

18.75 mL

Explanation:

(M1)(V1)=(M2)(V2)

(2.0 M)(V1)=(0.15 M)(250 mL)

(2.0)(V1)=37.5

Divide 2.0 on both sides

V1=18.75 mL

Answer Link

Otras preguntas

Explain why you do or do not perform your best in physical education in ten sentences.

what type of word indicates that a noun is to follow

Find the prime factorizations for the number. Write your answers so the products are in order from least to greatest. You may choose to write repeated factors w

Which are assumed to be constant while using the combined gas law? pressure number of moles volume and moles of gas pressure and temperature

Colleen rode her bicycle 9.5 miles in 0.8 hour. What was her average speed in miles per hour?

Marie scored 95,86 and 89 on three science tests she wants her average score for 6 test to be at least 90 what inequality can you write to find the average scor

Please help!? 5 Stars! :0 :(

According to Bede, what is true of Ireland? A. It is the largest island. B. It gets lots of snow. C. It does not have any snakes. D. The climate is too warm.

Stefan has $65.75 he wants to buy some DVD's that each cost $14.99. write and solve an inequality to estimate the greatest number of DVDs that he can buy

There is more than one answer, by the way. 5x + 7 = 1/2 (10x + 12) -1/9 (18x + 27) = 1 + x - 4 - 3x x+3/4 = 3/4x + 3/4 4 + 3x = 2x - 10 A. one solution B. no so