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
zavuch27 [327]
3 years ago
14

How many moles are there in 7.24 grams of calcium carbonate? With work shown

Chemistry
2 answers:
balu736 [363]3 years ago
8 0

Answer:

0.0723371390261859

slava [35]3 years ago
5 0
CaCO3 = 40 + 12 + 16*3 = 100 g/mol
Mol CaCO3 = m/M = 7.24/ 100 = 0.0724 mol
Can you mark it brainliest?
You might be interested in
I need help with level 15 in covalent bonding in playmada collisions app.
monitta

which level are u on now?

5 0
3 years ago
a 20ml sample of hcl was titrated with the 0.0220 M Naoh. to reach the endpoint required 23.72 mL of the NaOh. Calculate the mol
Y_Kistochka [10]

Answer:

Molarity of HCl=0.026092M

Explanation:

The equation for the reaction is;

HCl + NaOH ⇒ NaCl + H2O

Using the formular, \frac{C_{A}V_{A}}{C_{B}V_{B} }=\frac{nA}{nB}    ..........equ1

whereC_{A} is the concentration of Acid,

          V_{A} is volume of acid

          C_{B} is concentration of the base

          V_{B} is volume of the base

          nA is the number of moles of Acid

          nB is number of moles of base

nA = 1,    nB=1 , V_{A}=20ml, C_{B}=0.022M, V_{B}=23.72mL

we will input these values into equation1 to solve for C_{A}

\frac{C_{A}*20}{0.022*23.72}=\frac{1}{1}

C_{A}*20=0.022*23.72

C_{A}=0.026092M

7 0
3 years ago
Harry has dark hair like his father, but his mom has red hair. Using the genotypes of rr (red hair), Rr (dark/brown hair), RR (
Nastasia [14]
Is there answers to go along with this? it should be Dark/Brown hair
7 0
3 years ago
Read 2 more answers
Draw the expanded structural formula for the condensed formula (CH3)2CHCH2OCH2CH3 . Draw all hydrogen atoms
prisoha [69]

We have that the Complete Expanded Structure of (CH3)2CHCH2OCH2CH3 is given in the attachment below

From the Question

(CH3)2CHCH2OCH2CH3

Generally for the condensed formula (CH3)2CHCH2OCH2CH3

We consider that this is a single bond connecting them

We consider

Hydrogen H(1)

Oxygen(8)

Carbon(6)

In conclusion

The Complete Expanded Structure of (CH3)2CHCH2OCH2CH3 is given in the attachment below.

For more information on this visit

brainly.com/question/24102840

5 0
3 years ago
The electron configuration of a neutral elerpent is 1s 2s 2p 3s. If the electron configuration
Alchen [17]

Answer:

Ne 2

Explanation:

8 0
3 years ago
Other questions:
  • Explain why conjugate pairs must be composed of weak acids and bases.
    8·1 answer
  • Which of the following is not a possible source of energy for chemosynthetic organisms?
    15·1 answer
  • How many atoms of Cl are there in 25 moles of Cl(subscript)2 ? Can someone show the work and explain this to me I'm so lost
    14·1 answer
  • How did Mendeleev's work help in the discovery of new elements ?
    9·2 answers
  • Which do all groups of plants have these are the choices A.chloroplasts B.roots C.spores D.tubes
    15·2 answers
  • Suppose you had an organic molecule such as cystine, and you chemically removed the --nh2 group and replaced it with --cooh. Dra
    5·1 answer
  • When might a plot of ln[a] vs time not yield a straight line?
    7·1 answer
  • What is the formula for an ionic compound made of barium and nitrogen? (a)- BaN (b)- Ba3N2 (c)- Ba2N4 (d)- Ba2N3 (e) None of the
    15·1 answer
  • A sample of Strontium-90 is found to have decayed to one-fourth of its original amount after 58.2 years. What is the half-life o
    8·2 answers
  • How did mendeleev arrange atoms in the periodic table?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!