CH 3 CH 2 SH and CH 3 CH 2 SH can form a hydrogen bond with one another. Select
ID: 851257 • Letter: C
Question
CH3CH2SH and CH3CH2SH can form a hydrogen bond with one another.
Select True or False.
__________________________________________________________
The sample of 19.2 g of KCl is dissolved into a solution with a total volume of 242.0 mL.
What is the molarity of the solution?
________________________________________________________
Na3PO4 is soluble in water.
True
False
_______________________________________________________________________
Consider the reaction below.
N2(g) + O2(g) ? 2 NO(g)
How many moles of NO are obtained when 0.049 mol of N2 is completely reacted?
? mol
Type in your response. Enter only the numeric portion of the answer (that is, DO NOT type "mol" in your answer).
_________________________________________________________________________________________'
A sample of magnesium weighs 31.0 mg. How many moles of magnesium are there in the sample?
Explanation / Answer
Answer.
1- False
2- 1.073 mole/L
3- True
4- 0.098
5- 1.29