matthewdawson8646 matthewdawson8646

03-11-2017
Chemistry

contestada

Saline solutions (nacl in water) used to deliver intravenous drugs are 0.89%(w/v). what mass of nacl is found in 200 ml of such a solution?

Respuesta :

barnuts barnuts

13-11-2017

A ratio of 0.89% w / v or 0.0089 in fraction means that there is 0.89 weight of NaCl pero volume of solution. Therefore the mass of NaCl is:

mass NaCl = 0.0089 * 200

mass NaCl = 1.78 grams

Answer Link

Otras preguntas

You should choose a fitness activity that keeps you motivated? True False

please help :( I would appreciate it so much

The son is 22 years younger than his father, in 4 years the father is 3 times as old as the son. How old are father and son now? How many years ago was the fa

if a molecule is taking up more space is it gaining or losing energy explained

What differentiates the inflammatory response and the immune response? A. The inflammatory response is specific, and the immune response in general. B. T cell

Two mechanics worked on a car. The first mechanic worked for 20 hours, and the second mechanic worked for 5 hours. Together they charged a total of $1825. What

Ums Why did the invention of PCR make DNA fingerprinting possible? O. A. PCR allows genes to produce the insulin protein. O B. PCR eliminates the need to use ge

4. Describe how Steinbeck characterized Route 566.

we need & angles 2 Are these two triangles similar? Circle the answer ves" or "no" and complete the paired questions Explain your reason. Complete the simi

what is the answer to -2t + 5 ≥ -7.