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
const2013 [10]
3 years ago
11

A compound was found to be soluble in water. It was also found that addition of acid to an aqueous solution of this compound res

ulted in the formation of carbon dioxide. Which one of the following cations would form a precipitate when added to an aqueous solution of this compound?
a. NH4
b. K
c. Cr
d. Rb
e. Na
Chemistry
1 answer:
gogolik [260]3 years ago
3 0

Answer:

c. Cr

Explanation:

Cr^3+(aq) + CO_3^2-(aq) ------------> Cr_2CO_3(s)

The compound is containing CO_3^2- ion.

If acid reacts with it, CO_2 evolves.

H^+ + CO_3^2- ----------> H_2O + CO_2

therefore,  Cr would form a precipitate when added to an aqueous solution of this compound. Cr2CO3 is the precipitate.

You might be interested in
What are the two types of stoichiometry?
julsineya [31]
Two types of stoichiometry are; molar mass and coefficients from balanced equation.
8 0
3 years ago
Read 2 more answers
How many electrons are in the 3p sublevel of Sulfur?
goldenfox [79]
There are FOUR electrons in the 3p sub-level of sulfur....
3 0
3 years ago
This type of pure substance contains more than one type of element chemically bonded
Alex787 [66]

Answer:

A. Compounds

Explanation:

Firstly, don't let the word "pure" confuse you; this is pretty much irrelevant to the question.

The key to answering this question lies in "substance" and "more than one type of element chemically bonded."

Something you ought to memorize is that a substance is either an element or compound. Therefore, you can eliminate choices B./C.

Next, use the part of the definition that says "more than one type of element chemically bonded" to conclude that it's a compound. Not only is this the definition of a compound, but the fact that is says <em>more than one type of element</em> should automatically tell you that it is different from just a regular element (Choice D.).

6 0
3 years ago
The Andes Mountains are found along the western coast of South America. Which kind of plate boundary is responsible for this mou
lozanna [386]

The Nazca plate is converging with the South American plate.

Explanation:

The Andes Mountains are formed as a result of the convergent of the Nazca plate and the South American plate.

This mountain range typifies the geology and geography of the South American continent.

  • Along this convergent margin, one plate subducts beneath the other.
  • The oceanic plate due to its density goes into the mantle.
  • The causes the continent riding to obduct and be forced.
  • With rising magmatic bodies beneath, the continent further pushes up to form the Andes ranges.

Learn more:

Lithosphere brainly.com/question/9582362

#learnwithBrainly

3 0
3 years ago
You have 150. g of a bleach solution. The percent by mass of the solute, sodium hypochlorite (NaOCI), is 3.62%.
Taya2010 [7]

Answer:

There are 5.43 grams of NaOCl

Explanation:

The given percent by mass of the solute tells us that out of the 150 g of the solution, 3.62% are due solely to the solute.

In other words, <u>the mass of the solute in the solution is</u>:

  • 150 g * 3.62/100 = 5.43 g

Thus, in 150 grams of the given bleach solution, there are 5.43 grams of sodium hypochlorite.

4 0
3 years ago
Other questions:
  • In the energy pyramid, if a primary producer is consumed by a first-level consumer, and that first-level consumer is consumed by
    6·1 answer
  • What mass of calcium carbonate (in grams) can be dissolved by 4.0 g of hcl? (hint: begin by writing a balanced equation for the
    14·2 answers
  • An enzyme with molecular weight of 310 kDa undergoes a change in shape when the substrate binds. This change can be characterize
    11·1 answer
  • Solid waste is eliminated from the body through the esophagus agree or disagree
    6·1 answer
  • You want to place a piece of glass tubing into a ruber stopper after the tubing has been fire polished and cooled. This is best
    6·1 answer
  • How many molecules of NaCl are in 58.5 g NaCl?
    11·1 answer
  • How many electrons are in the outermost energy level of a neutral<br> strontium atom?*
    12·1 answer
  • Which is one characteristic of deep ocean currents someone pls help
    6·2 answers
  • How many grams of sodium hydroxide (NaOH) do you need to get rid of 3000 grams of CO2? Don't worry about sig figs for this quest
    8·1 answer
  • PLEASE! DUE IN 30 MINUTES! I NEED A LOT OF HELP! 50 POINTS! ANSWER ALL THREE QUESTIONS PLEASEEEEE I NEED HELP ASAP
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!