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
Alexus [3.1K]
3 years ago
6

A city's water supply is fluoridated by adding NaF. The desired concen- tration of F– is 1.6 ppm. How many mg of NaF should you

add per gallon of treated water​
Chemistry
1 answer:
Akimi4 [234]3 years ago
6 0

Answer:

mmmmmmmmmmmmmmmmmmmm

You might be interested in
Solid lithium (Li) reacts with water to produce hydrogen gas (H) and a solution of lithium
netineya [11]

Answer:

Li(s) + H20(l) --> LiOH(aq) + H(g)

Explanation:

it is already balanced

6 0
2 years ago
Which lists the structures, in correct order, through which light passes when it enters the eye?
Mashutka [201]

Answer:

cornea, pupil, lens, vitreous humor

8 0
3 years ago
The second-order rate constants for the reaction of oxygen atoms witharomatic hydrocarbons have been measured (R. Atkinson and J
Pepsi [2]

Answer:

A = 1,13x10¹⁰

Ea = 16,7 kJ/mol

Explanation:

Using Arrhenius law:

ln k = -Ea/R × 1/T + ln(A)

You can graph ln rate constant in x vs 1/T in y to obtain slope: -Ea/R and intercept is ln(A).

Using the values you will obtain:

y = -2006,9 x +23,147

As R = 8,314472x10⁻³ kJ/molK:

-Ea/8,314472x10⁻³ kJ/molK = -2006,9 K⁻¹

<em>Ea = 16,7 kJ/mol</em>

Pre-exponential factor is:

ln A = 23,147

A = e^23,147

<em>A = 1,13x10¹⁰</em>

<em></em>

I hope it helps!

6 0
3 years ago
Help! giving brainliest
kirill [66]
It’s the 3d one


Good luckkkkkkkk
8 0
2 years ago
How many different d orbits are within the 3d sublevel
ohaa [14]

Answer:

Its 5

Explanation:

6 0
3 years ago
Read 2 more answers
Other questions:
  • Determine the number of electrons, neutrons and protons in an atom of arsenic -75.
    14·1 answer
  • How many significant figures in 0.002030?
    15·2 answers
  • ______and_____are examples of pure substances.
    8·1 answer
  • 1 calorie is equal to<br><br> A. 4.184 J<br> B. 1,000 J<br> C. 6.02x10^23 J<br> D. 8.314 J
    11·1 answer
  • How does sex feel with a girl with out a condomon
    14·2 answers
  • What was the company responsible for the massive oil spill in the Gulf of Mexico in April 2010?
    10·2 answers
  • HELP!
    14·1 answer
  • How many cg in 173g???
    6·1 answer
  • Which is warmer -30C or -30 F?​
    13·2 answers
  • Explain why one molecule of nabh4 will reduce only two molecules of m acetylbenzaldehyde to form the corresponding product
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!