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
GREYUIT [131]
3 years ago
9

Convert 530 grams of Sodium carbonate (Na2CO3) into moles of Sodium carbonate (Na2CO3)

Chemistry
1 answer:
Vesna [10]3 years ago
6 0

1. 5 moles

2. 75.6 grams

3. 2 moles

4.  1.806 x 10²⁴ particles

<h3>Further explanation</h3>

Given

mass and moles of compound

Required

mass, moles and number of particles

Solution

1. 530 g Na2CO3

mol = 530 g : 106 g/mol

mol = 5

2. 4.2 moles H2O

mass = 4.2 moles x 18 g/mol

mass = 75.6 grams

3. 12.04 x 10²³ O2

mol =   12.04 x 10²³ : 6.02  x 10²³

mol = 2

4. 3 moles of Mg

particles = 3 x 6.02  x 10²³

particles = 1.806 x 10²⁴

You might be interested in
When an element exists in nature by itself, it must have a charge of
Fiesta28 [93]
H2O or water, all humans are mostly mad of water and water covers most of the earth 

7 0
3 years ago
How many sulfur atoms are in 3.7 mol of SO2?<br><br> × 10 S atoms
Allisa [31]

Answer: 22.3 *10^23 S atoms

Explanation:

8 0
3 years ago
Write the balanced chemical equation for the reaction of potassium metal (k) with water to yield potassium hydroxide.
Tanzania [10]
Reaction: 2K₍s₎ + 2H₂O₍l₎ → 2KOH₍aq₎ + H₂₍g₎.
K - potassium.
H₂O - water.
KOH - potassium-hydroxide.
H₂ - hydrogen.
s - solid phase.
l - liquid.
aq - disolves in water.
g - gas.
Reaction is exothermal (release of energy) and potassium burns a purple flame. H<span>ydrogen released during the reaction  reacts with </span>oxygen<span> and ignites.</span><span>

</span>
7 0
3 years ago
A chemical indicator that changes colors depending on the concentration of h+ in the solution is called a
DanielleElmas [232]
Answer is: acid-base indicator or pH indicators.

Acid-base indicators are usually weak acids or bases and they are chemical<span> detectors for hydrogen or hydronium cations.</span>
Example for acid-base indicator is phenolphthalein (molecular formula C₂₀H₁₄O₄). Phenolphthalein is <span>colorless in </span>acidic<span> solutions and pink in </span>basic<span> solutions.
Another example is m</span><span>ethyl orange. It is red colour in acidic solutions and yellow colour in basic solutions.</span>

3 0
3 years ago
Is this right????????????
zzz [600]

Answer: yea its right

Explanation:

5 0
3 years ago
Read 2 more answers
Other questions:
  • Why is it harder for the earth to recover from some natural disasters now?
    11·1 answer
  • Theses are the questions please help
    14·1 answer
  • A lab group was supposed to make mL of a acid solution by mixing a solution, a solution, and a solution. However, the solution w
    7·1 answer
  • During photosynthesis carbon is converted into which chemical
    6·2 answers
  • A block made of a certain material has a thickness of 20 cm and a thermal conductivity of 0.04 m C. At a particular instant in t
    7·1 answer
  • The law of universal gravitation states that any two objects in the universe that have mass, without exception,
    8·1 answer
  • Describe the current model of the atom and the characteristics of each of the 3 subatomic particles. Be prepared to provide the
    5·1 answer
  • What is a property of a substance? why are properties important? Explain your answer
    12·1 answer
  • How can people conserve water at home?
    12·2 answers
  • A student places three ice cubes in a beaker and allows them to partially melt. If she measures the temperature of the water in
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!