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
sergiy2304 [10]
3 years ago
11

How many O2 molecules can be made with the oxygen from 492 g of sodium phosphate?

Chemistry
2 answers:
serg [7]3 years ago
7 0
<span>To answer this question, you need to change the sodium phosphate unit into mol and doing the reaction. Sodium phosphate or Na3PO4  molecular weight is 163.94 or 164 rounded up. Then the amount should be: 492g/ (164g/mol)= 3 mol

For every 1 mol of </span>Na3PO4  there are 4 mol of oxygen element. To made 1 mol of O2 molecule, you will need 2 mol oxygen element. Then the amount of oxygen should be: 4/2 * 3 mol= 6 mol * 6.02 * 10^23= 36.12 * 10*23= 3.61 * 10^24

erma4kov [3.2K]3 years ago
6 0
We must analyze how are we going to convert the given mass of sulfur into molecules of oxygen. Oxygen has a subscript of 2. It means that it has two atoms per molecule. Which means, there are
7.37
x
10
22
molecules but
12.04
x
10
22
atoms of oxygen
You might be interested in
Why are lager astronomical bodies such as planets and stars round?
Katyanochek1 [597]
Gravity pulls mass towards its center, therefore as matter is pulled towards a source of gravity it will naturally coalesce into a ball as matter competes to head towards the source of gravity.
5 0
3 years ago
Read 2 more answers
Calcium drawing look like
leva [86]
Not the best drawing but hope thats correct

7 0
2 years ago
Do bases lose or gain hydrogen ions?<br><br><br>Help :-)
kodGreya [7K]

Answer:

Acids are classified in the Bronsted Lowry acid-base theory as species, which losses hydrogen ions (H+, known as protons) in a chemical reaction (and are foundation species that accept hydrogen ions).

7 0
3 years ago
HELP ITS OVER DUE AND GRADE BOOK ENDS MARCH 5TH
Ymorist [56]
Mutualism- both organisms benefit
Commensalism- one organism benefits while the other neither is harmed or helped
Parasitism- one organism is benefited while the other is harmed

4 P (flea benefits but dog is harmed)
5 M (both get to eat the honey)
6 C (bird gets a place to live without harming or helping the tree)
7 P (lice get a place to live but humans are harmed)
8 M (both are helped)
9 C (flower isn’t harmed or helped but bee is helped)
10 P (the tree is harmed but the mistletoe is benefitted)
4 0
3 years ago
It takes 11.2 kj of energy to raise the temperature of 145 g of benzene from 22.0°c to 67.0°c. what is the specific heat of benz
Cloud [144]
We can use the heat equation,
Q = mcΔT 

where Q is the amount of energy transferred (J), m is the mass of the substance (kg), c is the specific heat (J g⁻¹ °C⁻¹) and ΔT is the temperature difference (°C).
Q = 11.2 kJ = 11200 J
m = <span>145 g
</span>c = ?
ΔT = (67 - 22) °C = 45 °C
By applying the formula,
11200 J = 145 g x c x 45 °C
           c = 1.72 J g⁻¹ °C⁻¹

Hence, specific heat of benzene is 1.72 J g⁻¹ °C⁻¹.
7 0
3 years ago
Other questions:
  • A compressed cylinder of gas contains 45.6 mol of N2 gas at a pressure of 3.75 x 105 Pa and a temperature of 23.6°C. What volume
    12·1 answer
  • Which of the following lists contains only elements?
    14·1 answer
  • Predict the following reaction<br> Kl+Pb(NO3)2-&gt;?
    11·1 answer
  • How is chemical energy useful? Give three examples.
    5·1 answer
  • What percentage of water on earth is fresh water
    14·2 answers
  • Determine the number of bonding electrons and the number of nonbonding electrons in the structure of SeCl2.
    10·1 answer
  • An electron in an atom is known to be in a state with magnetic quantum number . What is the smallest possible value of the princ
    7·1 answer
  • A mixture of Ar, He, and O2 has a total pressure of 1,015 kPa. Argon exerts a partial pressure of 152 kPa and Helium exerts a pa
    8·1 answer
  • What volume of 1.50 M KBr is fromed ,using 15.6 mL of concentrated KBr with a molarity of 9.65 M?
    15·1 answer
  • The endomembrane system and ribosomes work together to perform what function?
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!