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

He __ the door. didn't lock wasn't lock

Find the perimeter of the polygon with the vertices U(-2,4), V(3,4) W(3,-4). Round your answer the nearest hundredths

Find the area of CDE round the area to the nearest whole number if necessary

How are positive numbers written in Roman

which province of Nepal has more arable land?How might be its effects on economic development?

Which of the element pairs are in the same group? -Uranium and Magnesium -Neon and Radon -Hydrogen and Helium -Potassium and Arsenic

As a consumer, which marketing technique do you find most successful? Which technique fails to attract your attention? Explain why each technique succeeds or fa

helppppppppppppppppp

Tell this story in your own words. Please help me out, Russian is so hard

Let x be a number. Rewrite the expression in a simpler form. (2x3)(17x) =