emroeser emroeser

01-11-2016
Chemistry

contestada

How many g of nacl do need to make 1.00L of 2.5% w/v solution of nacl in water?

Respuesta :

Willchemistry Willchemistry

03-11-2016

2.5 % w/v ( that means we have 2.5 grams of solute in 100 mL solution )

1.00 mL = 1000 mL therefore:

2.5 g ------------- 100 mL
?? --------------- 1000 mL

1000 x 2.5 / 100 => 25.0 g of NaCl

Answer Link

Otras preguntas

The equation for the chemical reaction shown is not balanced. What number should replace the question mark to balance this equation? 2Ag2O → ?Ag + O2 A. 1 B.

What made Boston a likely place for fighting to begin between colonists and British soldiers

Which French leader of the Protestant Reformation made Geneva a center of Protestant thought and faith? A. John Calvin B. Teresa of Avila C. John Huss D. Martin

Question 1.1. Choose the correct answer. Nancy bought 360 tropical fish for a museum display. She bought 8 times as many goldfish as angelfish. How many of eac

How does the U.S. Constitution reflect the principle of democracy? It creates a republic government, which is the same as democracy. Most of the people can elec

Can I please have 1 indirect object In percy jackson sea of monsters including the page number?

If LM=18 cm and MN=5 cm, then what are the possible lengths for LN so that LM, MN, and NL can form a triangle?

What did Adam Smith say should determine the cost of goods?

How Do Humans Affect the Desert Biome

3/8 divided by 1/2 =