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
Marrrta [24]
3 years ago
13

A metal (M) forms an oxide with the formula MO. If the oxide contains 7.17 % O by mass, what is the identity of the metal?

Chemistry
1 answer:
Nataly_w [17]3 years ago
7 0

The metal is lead, Pb.

One unit of the oxide contains one atom of O (16.00 u).

∴ Mass of oxide = 16.00 u O × (100 u MO/7.17 u O) = 223.15 u MO

Mass of M = mass of MO – mass of O = 223.15 u -16.00 u = 207.2 u

The only element with an atomic mass of 207.2 u is lead (Pb) and the formula of the oxide is PbO.

You might be interested in
Plants and animals get the nitrogen they need
babunello [35]
Yes they do. they work very hard for their nitrogen.
8 0
3 years ago
Why do batteries stay fresh longer if kept in a fridge
blagie [28]
Because it is......... who knows cause I don't
4 0
3 years ago
Read 2 more answers
Distinguish between mass and weight
yKpoI14uk [10]

Answer:

There is a basic difference, because mass is the actual amount of material contained in a body and is measured in kg, gm, etc. Whereas weight is the force exerted by the gravity on that object mg. Note that mass is independent of everything but weight is different on the earth, moon, etc.

3 0
3 years ago
Read 2 more answers
Why is light energy written on the left side of the equation
Kipish [7]
Energy from SUNLIGHT + CO2(g) + H2O(l) = C6H12O6 (glucose) + O2(g)
The above is unbalanced, but it shows that sunlight is on the left side of the equation.
Sunlight provides the energy for the reaction to take place, without it nothing would really happen. Therefore it is an INPUT into the equation, thus it is on the left side. Outputs are placed on the right side of the equation.
5 0
4 years ago
What can be determined from the frequency and wavelength of a wave?
sp2606 [1]

The frequency and wavelength of a wave allows you to determine the speed of a wave. Because the speed of a wave equals wavelength times frequency, you can determine speed knowing the both the frequency and wavelength.

5 0
3 years ago
Other questions:
  • What type of reaction does this equation represent? 2I4O9(s) → 4I2(s) + 9O2(g)
    8·1 answer
  • Do you know what covnection is?
    12·1 answer
  • What is a reason why ethers have low water solubility?
    8·2 answers
  • Choose the aqueous solution with the highest vapor pressure. These are all solutions of nonvolatile solutes and you should assum
    8·2 answers
  • Which statement describes how a basic coffee cup calorimeter works?
    11·2 answers
  • Can you please explain to me what mole concept is<br><br>​
    12·1 answer
  • What is the molar mass of (NH4)3 PO3?
    9·2 answers
  • You mix 15g of water with 10 grams of sodium chloride. After the reaction occurs, how
    8·1 answer
  • The MO diagram of CN is similar to N2. Based on the molecular orbital energy-level diagram of CN, which of the following stateme
    7·1 answer
  • What is the Charge of a neutral atom after 1 electron is taken away?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!