1) What volume of 12.0 M HCl is needed to make 5.00 L of 0.211 M HCl solution? _
ID: 1037488 • Letter: 1
Question
1) What volume of 12.0 M HCl is needed to make 5.00 L of 0.211 M HCl solution? _____ mL
2) A solution is made by adding 25.6 g of KNO3 to water until the solutions volume is 750.0 mL. What is the molarity of the solution? _____M give answer to correct sig figs in units of molarity, M)
3) How many g of Zn(NO3)2 are in 75.7 mL of 2.00 M solution? ________ g (give answer with correct sig figs in units of moles without scientific notation)
4) How many g of Zn(NO3)2 are in 75.7 mL of 2.00 M solution? ________ g (give answer with correct sig figs in units of moles without scientific notation)
5) What is the mass of NaCl in 500.0 g of 2.95% NaCl solution? _______ g (Give answer with correct sig figs in units of g)
6) 1.0 g of aluminum hydroxide reacts with 25.0 mL of 0.500 M carbonic acid according to the following unbalanced reaction.
Al(OH)3(s) + H2CO3(aq) --> Al2(CO3)3(s) + H2O(l)
The mass of aluminum carbonate produced is ___________g and the limiting reactant is __________.
Explanation / Answer
What volume of 12.0 M HCl is needed to make 5.00 L of 0.211 M HCl solution? _____ mL
According to law of dilution :
M1V1= M2V2
M= Molarity
V= Volume
M1=12M
V1=?
M2=0.211M
V2=5L
12*x = 0.211* 5, x= 0.87916 L =87.9mL
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.