1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
kotegsom [21]
3 years ago
14

How much calcium hydroxide in grams is needed to produce 1.5 l of a 0.25m solution?

Chemistry
1 answer:
Vesna [10]3 years ago
6 0
The  mass    ca(Oh)2  needed  to  produce  1.5 l  of  0.25 solution  is  calculated  as follows
find  moles
 
=moles   = molarity   x  volume

moles is therefore =   1.5  x 0.25  =  0.375  moles

mass  =  moles  x  molar  mass
0.375mol  x  74.09 g/mol  =  27.78  grams
You might be interested in
What color are the stars on the diagram with the lowest surface temperatures?
Luba_88 [7]

Answer:

red supergiants is the answer

3 0
2 years ago
Chemical reactions forming ions _____.
Sergeu [11.5K]
The answer should be <span>balance electrically

</span><span>Chemical reactions that form ions should have a balanced charge. The example of the reaction is HCl. When forming ions, the equation should be:
HCl => </span>H^{+} + Cl^{-}
In this case, the hydrogen has one plus charge and chlorine has one negative charge. The resultant should be zero, so it's balanced.
4 0
3 years ago
U-238 has _____ protons and 146 neutrons
qaws [65]
U-238 
The number besides the U means its total molar mass. The molar mass of this element is 238
Molar mass= protons + neutrons
This means that 238= 146 + protons
Do 238 - 146
Answer is 92
6 0
3 years ago
Which of the following describes the arrangement of valence electrons in a bond between H and F?
Sloan [31]
C; The Valence electrons spend more time around the atom of F
6 0
3 years ago
In the diagram below, west is to the left, east is to the right, and the observer is looking toward the north. What is the direc
Damm [24]
I think the answer is c since the it’s looking at NW, the wind is coming from SE
7 0
2 years ago
Read 2 more answers
Other questions:
  • Why aren't sharks extinct?
    12·2 answers
  • How many grams of KCl are needed to prepare 1.00 L of a 2.00 M solution
    9·1 answer
  • On a waterslide, describe the kinetic and potential energy you have at the top of the hill and at the bottom of the slide. What
    11·1 answer
  • Will mark Brainliest help please
    13·1 answer
  • 1. At STP, how many liters of oxygen are required to react completely with 3.6 liters of hydrogen to form water? 2H2(g)+O2(g) -&
    5·1 answer
  • The molecule that functions as the reducing agent (electron donor) in a redox or oxidation-reduction reaction _____.
    13·1 answer
  • The number of atoms of sulfur in 2.66 grams of sulfur
    10·1 answer
  • a dwarf rabbit is crossed with a non-dawrf rabiit what is the probability that the offspring will be dwarf?
    5·2 answers
  • Match the appropriate name for each chemical reaction description provided.
    6·2 answers
  • The compound KOH is called
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!