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
Vsevolod [243]
3 years ago
9

3. How many moles are present in 100 g of Ca(NO3)2? PLEASEEE HELP ASAPP

Chemistry
2 answers:
Pavel [41]3 years ago
7 0

0Answer:<u><em> 0.6094</em></u>

Explanation:

no of moles = mass / molar mass = 100/164.088= 0.6094 mole

Luda [366]3 years ago
4 0

Answer:

0.609 moles

Explanation:

mass in g ÷ atomic mass = moles

Ca(NO₃)₂ = 1 Ca 40.078 amu

2 N 28.0134 amu

+ 6 O 95.994 amu

____________________

164.0854 amu

100 g ÷ 164.0854 amu = 0.609 moles

three significant digits

You might be interested in
Use the picture below to answer the question. Comparing Wave A (blue) to Wave B (red), Wave B has a
fenix001 [56]

Answer: B longer wave

Explanation:

because

6 0
2 years ago
4u6ejs7h6yrvecjc6j6cg
stiks02 [169]
Ggrgrwfggreggwwwwrg hola
4 0
3 years ago
What are the three sub-types of convergent plate boundaries
Vadim26 [7]
<span>Oceanic-oceanic convergent plate boundary. 2 Continental convergent plate boundary. 3 Oceanic-continental convergent plate boundary.</span>
3 0
3 years ago
Give an example of how environmental science might involve geology and chemistry.
Sever21 [200]
One of the examples is radiation and chemistry of water. Environmental science requires the capacity to integrate data from the greater part of the significant fields of science, and in addition from arithmetic. 
Geology is vital on the grounds that huge scale arrives forms make geology. The presence of mountains and valleys influences how much daylight and precipitation achieve the ground, how breezy an area is, the manner by which precipitation keeps running off, and numerous different variables that figure out what plants and creatures will have the capacity to occupy a district.
8 0
3 years ago
Which of the following do scientists use to form a hypothesis?
Debora [2.8K]

Explanation:

The scientific method involves making observations and asking questions. Scientists form hypotheses based on these observations and then develop controlled experiments to collecting and analyze data. Using this data, they are able to draw conclusions and form questions for new scientific research.

:)ᴍᴀʀᴋ ᴀꜱ ʙʀᴀɪɴʟɪꜱᴛ

3 0
2 years ago
Other questions:
  • Looking for the products in a single replacement formula for: MgI2 + Cl2
    6·1 answer
  • Perform the following
    13·1 answer
  • NaCl + H2SO4 ---&gt; Na2SO4 + HCl<br> Balance the double replacement chemical reaction.
    15·1 answer
  • The cell of your body need energy to carry out life function. Which of the following body responses is a sign that your cells ne
    7·1 answer
  • The atria beat prior to the ventricles. What purpose does this serve?
    13·1 answer
  • Why do light-fur mice survive less often on dark rocks, compared to dark- figure mice?
    13·1 answer
  • Which of the following statements is NOT correct?
    8·1 answer
  • Based on this information which of the following conclusions can be drawn about the growth rate of grass? hurry
    5·1 answer
  • If you make a solution using 1.0 mol KBr in 1.0 kg water, how will the vapor pressure of this solution compare to the vapor pres
    9·2 answers
  • WHATS THE CORRECT ANSWER ANSWER ASAP
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!