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
gregori [183]
2 years ago
5

5.00 moles of a binary, group 2 oxide are found to have a mass of 521 g. Identify the group 2 metal

Chemistry
1 answer:
andrey2020 [161]2 years ago
4 0

5.00 moles of a binary, group 2 oxide are found to have a mass of 521 g. The group 2 metal is Strontium.

According to question 5 moles of binary group 2 metal oxide mass =521  g

So, 1-mole metal oxide mass will be =521 / 5=104.2 g

Now, as metal oxide is group 2 oxide so metal: oxygen =1: 1

So the mass of metal is =104.2-16=88.2 gm (as the atomic mass of oxygen is 16 g

Therefore, the metal is Strontium(Sr) whose atomic mass is 87.62 g which is nearly 88.2 gm

So, the formula of metal oxide is SrO

The group two metal here is Sr which is strontium and lies in the same group as calcium.

To learn more about group 2 metals, visit:

brainly.com/question/18328178

#SPJ9

You might be interested in
Please help ASAP I will give Brainliest
MaRussiya [10]

Answer:

17.6 grams of nitrogen gas

4 0
3 years ago
What organelles are involved in the production of proteins
DanielleElmas [232]

Answer:

endoplasmic reticulum (ER)

7 0
2 years ago
Read 2 more answers
The radioactive isotope I-131 is used in
Fudgin [204]
The answer is D, medical diagnosis
3 0
3 years ago
A chemical reaction is occurring inside a beaker and the temperature of the beaker is monitored. What would the contents of the
Archy [21]

<u>Answer:</u>

<em>The system is the Answer </em>

<em></em>

<u>Explanation:</u>

System is the region which is taken into consideration.

While we perform a chemical reaction the system is the substance taken in the container.

So, A thermodynamic system is the amount of matter or the region in universe which is under the study.

The region outside the beaker are called as surroundings.

The beaker (the surface which separates the system from its surroundings) is said to be the boundary

System + surroundings = universe

3 0
3 years ago
I need to figure out what the unit to measure time is
Lady_Fox [76]
Measure time by seconds.
4 0
3 years ago
Other questions:
  • A cyclist rode at an average speed of 10 mph for 15 miles. How long was the ride?
    13·2 answers
  • Which one is it that it’s talking about?
    11·1 answer
  • For each chemical reaction, fill in the exponents in the formula for Ks
    9·1 answer
  • 7. (04wP2-5)Elements with atomic number 21 to 30 are d-block elements.
    9·1 answer
  • If a solid line represents a covalent bond and a dotted line represents intermolecular attraction, which of the choices shows a
    9·1 answer
  • 31 Which ion has the smallest radius?<br> (1) O2-(2) S2-(3) Se2-<br> (4) Te2-
    13·1 answer
  • A multi-nutrient fertilizer contains several different nitrogen containing compounds. The fertilizer is 53.2% CH4N2O (urea), 24.
    10·1 answer
  • How does the motion of particles compare between different phrases of matter?
    8·1 answer
  • If you were to look up at the moon and see the shape of the moon as a circle, what would the next observable shape in the cycle
    9·1 answer
  • Describe 2 ways of salting out proteins ​
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!