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
11Alexandr11 [23.1K]
2 years ago
5

You used a variety of media with a NaCl concentration ranging from 0.5% to 15%. Which of these media would have the lowest water

activity?
a. 0.5% NaCl
b. 15% NaCl
c. 10% NaCl
d. 5% NaCl
Chemistry
1 answer:
Studentka2010 [4]2 years ago
7 0

Answer:

Explanation:

B

You might be interested in
What is needed to burn the candle (reactant)?
Alexus [3.1K]

Answer:

wax, candlewick, and oxygen

Explanation:

The burning of the candle is both a physical as well as a chemical change. The reactants are the substances or the raw materials that are required for a reaction to the process. In the process of burning a candle, the reactants are the fuel which includes wax and wick, and oxygen which is found in the air. The products found at the end of the reaction are carbon dioxide and water vapor.

8 0
3 years ago
Zn + 2HCI --> ZnCl2 + H2
Elena-2011 [213]
Moles= mass\ relative formula mass(Ar)
moles of zinc= 7.9/30= 0.263
so we have 0.263 moles of zinc, and you need twice the amount of chlorine so therefore 0.526moles of chlorine= 0.526x 17=8.942g of chlorine
i cba to work the rest out but the most reasonable answer is 0.24 mol however if you need to use working outs, use the formula i provided earlier
8 0
2 years ago
What would happen to the moon’s interia were to increase? A the moon will fly into space. B the moon will smash into Earth. C th
Montano1993 [528]

Answer:

B

Explanation:

5 0
3 years ago
How can a scientist make sure that the results are not a mistake in an experiment?
olga55 [171]
Repeat trials multiple times
8 0
3 years ago
A 35 MGD surface Water treatement plant proposes to to use alum Coagulation for turbidity reduction using 44 mg/ L alum. the raw
CaHeK987 [17]
C) is the water alkainty adequate. I.e
5 0
2 years ago
Other questions:
  • What are the chemical properties of acids
    10·1 answer
  • How does a buffer resist change in ph upon addition of a strong acid?
    15·1 answer
  • Which types of reactions would result in the production of gas?
    13·1 answer
  • How are elements grouped according to the number of valence electrons in their outermost levels?
    9·1 answer
  • In a chemical reaction, exactly 2 mol of substance A react to produce exactly 3 mol of substance B. 2 A ⟶ 3 B How many molecules
    14·1 answer
  • What is the atomic number of pt-175 after it undergoes alpha decay
    8·1 answer
  • Denmark is characterized as temperature as a region . the winters typicky experience frequent snowfall and low temperatures. in
    6·1 answer
  • Why does buck ministerfullerene act as a good lubricant
    12·2 answers
  • HELPPPP I NEED THE ANSWER i'M STUCK
    15·1 answer
  • Copper(II) carbonate undergoes thermal decomposition. One of the pro
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!