WoahhBro3683 WoahhBro3683

06-06-2018
Chemistry

contestada

Calculate the amount of nacl needed to prepare 50 ml of 0.9% nacl solution and 20% nacl solution

Respuesta :

claudettoterohil claudettoterohil

16-06-2018

Your answer would be,
Formula: Molarity (M) = Number of moles of solute/Solutions volume Liters

0.009(50) = .45 gm dissolved in 50 ml H2o
= 0.20(50) = 10 gm

Hope that helps!!!

Answer Link

Otras preguntas

In a cancer crude death rate, what does the numerator represent?

How many possible resonance structures exist for carbonate ion, CO32-? A) 0 B) 1 C) 3 D) 6 E) 8

There are numerous plausible, proposed causes of ice ages. Which of these is not one of them?

What are Stuttering-like Disfluences (SLDs)?

A common drug for hypertension is

Given the following product structure and inventory information of assembling skateboards. There is an order of 120 units of skateboards by the start of week 10

Ordered: Potassium chloride 60 mEq PO every day. On hand: Potassium chloride oral solution labeled 20 mEq per 10 mL. How many tablespoons would the client recei

A roll of tape has a circumference of 10.6 centimeters. The circumference decreases 1.8 centimeters after you use some of the tape. What is the diameter of the

What are Macbeth’s positive qualities? What are his negative qualities? NEED ASAP!!!!

Substance c has the same type of intermolecular force as substance d, however substance c is twice as massive as substance d. compare their surface tensions, vi