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
son4ous [18]
3 years ago
6

What mass of Ca(NO3)2 is equal to 0.75 moles of this substance?

Chemistry
1 answer:
sattari [20]3 years ago
5 0

Answer:

Ca - 63.546 g

2N - 28.014 g

2O3 - 96 g

Ca(NO3)2 = 187.56 g

187.56 g x 0.75 mol = 140.67 g

Explanation:

Hope this helps

You might be interested in
19) Which one of the following statements describes a chemical property of hydrogen gas?
Rom4ik [11]
B) hydrogen gas burns in air.

explanation: the rest are physical properties.
3 0
3 years ago
.22
Alja [10]

Answer:its b

Explanation:

7 0
3 years ago
Read 2 more answers
Give two reasons why scientists use the scientific method
forsale [732]
They use it because it's standerize and evidence vase
6 0
4 years ago
Which of the following describes an endothermic reaction?
Alenkinab [10]
The endothermic reaction would be D. Batter becomes a pancake when heated. This is because the batter is absorbing the heat in order to turn into a pancake.

Answer is D. Batter becomes a pancake when heated.


Please vote brainliest thank you!
4 0
3 years ago
A chemist needs to find the concentration of a solution of barium hydroxide.
Brums [2.3K]

Method 1: gravimetry

advantages: Impurities in the sample can be identified

disadvantages: The process is long, because it goes through several stages

Method 2: titration

advantages: the process is fast, because the titrate and titrant react immediately

disadvantages: Sometimes the determination of the end point of the titration is carried out too fast or too slowly so that the calculations carried out are inaccurate

3 0
2 years ago
Other questions:
  • How many moles of oxygen are produced when 2 mol of potassium chlorate (KClO3) decompose
    12·1 answer
  • Rainwater will combine with which atmospheric gas in order to create carbonic acid?
    12·1 answer
  • PLEASE HELP WILL RATE THE BRAINLIEST
    7·1 answer
  • What is a hypothesis
    8·2 answers
  • Which word or phrase means, " An organism that lives in or on another organism and harms it?" 1 Parasite 2Classification 3Contam
    9·2 answers
  • This process is called..
    6·2 answers
  • PLEASE HELPPPPPPPPPPPPPP​
    14·1 answer
  • Which of these statements describes this mathematical equation?
    8·1 answer
  • Circle the correct one from given alternatives.
    11·2 answers
  • 1. What happens when an environment reaches its carrying capacity?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!