caitybug18 caitybug18

25-05-2017
Chemistry

contestada

How many moles of NaCl must be dissolved in 0.5 L of water to make a 4 mole/L

Respuesta :

dec77cat dec77cat

02-06-2017

c = 4 mol/l
v = 0.5 l

n(NaCl)=cv

n(NaCl) = 4 mol/l · 0.5 l = 2 mol

2 moles of NaCl must be dissolved

Answer Link

Otras preguntas

A tree casts a shadow x = 100 ft long when a vertical rod 6.0 ft high casts a shadow 4.0 ft long. How tall is the tree? (Round your answer using the rules for

Read this passage: A democratic government includes a national legislature and an independent executive branch. After years of conflict bordering on civil war,

Juliet: The clock struck nine when I did send the nurse; In half an hour she promis'd to return. Perchance she cannot meet him: that's not so. —Romeo and Juli

Compare and contrast the characteristics of vascular and nonvascular plants

It is only necessary to provide a citation if you use a direct quote from a source. true false

Helpppp me please!!!!

Read this excerpt from Friedrich Engels’s The Condition of the Working Class in England. Every great city has one or more slums, where the working-class is cro

How do you work out this question: A bag of flour is 6 times as heavy as a packet of sugar. The total mass of the flour and sugar is 3612g. What is the mass of

How do u say ‘my best holiday was when I went to Greece because it was so pretty and warm’ in German?

How do oil spills devastate marine life when animals get covered by the toxic sludge?