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
adelina 88 [10]
2 years ago
7

**Plz help with this asap who ever replies first with the right answer will get brainlists

Chemistry
1 answer:
Vesna [10]2 years ago
5 0

Answer:first D. 88L

Second A 2*10^24

Explanation:

At stp 1 mole = 22.4L

mw Cl2= 70.9

280 g =280/70.9 moles, about 4

4*22.4 = about 88

aw Sr 87.6 —> 6.02214076*10^23 atoms = 1 mole

You might be interested in
What volume of a 0.200 M HCI solution is needed to neutralize 25.0 L of a 0.250 M NaOH solution? Follow these steps
Zolol [24]

Answer: A little bit confused can you explain what I have to do

Explanation:

3 0
2 years ago
How can an experiment support or fail a hypothesis
Ray Of Light [21]
A hypothesis is given to explain a phenomena which has not been explained till then. it can be supported by an experiment if that experiment gets the other results regarding that particular phenomena in agreement with that being predicted by the hypothesis
7 0
3 years ago
Read 2 more answers
Briefly describe how the pH of a colourless solution could be measured using a universal indicator​
Firdavs [7]

Answer:

Universal indicator can show us how strongly acidic or alkaline a solution is, not just that the solution is acidic or alkaline. This is measured using the pH scale , which runs from pH 0 to pH 14.

Explanation:

~Hope this helps

4 0
2 years ago
Which sediment type requires the least amount of energy to be eroded
castortr0y [4]

Answer:

SEDIMENTARY ROCK

Explanation:

8 0
3 years ago
Which statement correctly describes the location and charge of the neutrons in an atom?
rodikova [14]

Answer:

o

Explanation:

6 0
3 years ago
Other questions:
  • If an ice cube melts at 0oC but water also freezes at 0oC, what is the difference between melting and freezing in terms of (a) t
    8·1 answer
  • Fill in the following information for the element
    6·2 answers
  • How many molecules of water are present in a 5.65 mole sample of water
    10·1 answer
  • 4. How many atoms of copper are in 4,5 moles of copper (II) chloride?
    11·1 answer
  • Which two metalloids have the same number of electrons shells as iodine? A. boron and silicon B. antimony and tellurium C. germa
    7·2 answers
  • PLZ help Asap!!!!!! I WILL GIVE BRAINLIEST!!!
    7·1 answer
  • In a chemical formula, what is used to indicate the number of atoms of each element?
    11·1 answer
  • I NEED HELP WITH THESE! PLEASEEE
    9·1 answer
  • The mineral content of rocks helps to
    13·1 answer
  • Which refers specifically to a heated solution that holds more dissolved solution than it can hold at a lower temperature?.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!