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
Artyom0805 [142]
4 years ago
10

How many moles in 120 Calcium

Chemistry
1 answer:
almond37 [142]4 years ago
4 0
Molar mass Ca = 40.078 g/mol

Therefore:

1 mole Ca ---------- 40.078 g
? moles Ca --------- 120 g

120 x 1 / 40.078 => 2.994 moles
You might be interested in
What is an ion? What type of ion is formed by a non-metal atom? How do electrons behave when metals react with non-metals?
lara31 [8.8K]
A metalic ion its in your question v.v

5 0
4 years ago
A substance that is held together by an ionic bond is ?
miss Akunina [59]
D. A salt e.g NaCl is held by ionic bond
6 0
3 years ago
20 points!! Mark Brainliest!! <br><br> How do I complete and balance this= <br><br> Zn(NO3)2 + CaS
FromTheMoon [43]

Answer:

it's balanced form is ZnS+Ca(NO3)2

Explanation:

4 0
4 years ago
The rate of a hypothetical reaction involving L and M is found to double when the concentration of L is doubled and to increase
Semmy [17]

Answer: Rate=k[L]^1[M]^2

Explanation:

Rate law says that rate of a reaction is directly proportional to the concentration of the reactants each raised to a stoichiometric coefficient determined experimentally called as order.

L+M\rightarrow products

Rate=k[L]^x[M]^y  (1)

k= rate constant

x = order with respect to L

y = order with respect to M

n =( x+y)= Total order

a)  If [L] is doubled, the reaction rate will increase by a factor of 2:

2\times Rate=k[2L]^x[M]^y   (2)

b)  If [M] is doubled, the reaction rate will increase by a factor of 4:

4\times Rate=k[L]^x[2M]^y   (3)

Dividing 2 by 1:

\frac{2\times Rate}{Rate}=\frac{k[2L]^x[M]^y}{k[L]^x[M]^y}

2=2^x

x=1

Dividing 3 by 1

\frac{4\times Rate}{Rate}=\frac{k[L]^x[2M]^y}{k[L]^x[M]^y}

4=2^y

2^2=2^y

y=2

Thus rate law is: k[L]^1[M]^2

4 0
4 years ago
Identify the polarity of an H-I bond and the polarity of an S-S bond?
Lyrx [107]

Answer:

5095 JULLITET LI\

Explanation:

7 0
3 years ago
Other questions:
  • What was Newtons first law
    7·2 answers
  • Upon adding solid potassium hydroxide pellets to water the following reaction takes place: KOH(s) → KOH(aq) + 43 kJ/mol Answer t
    15·1 answer
  • How are chemical bonds formed?
    5·1 answer
  • A gas with a volume of 535 mL at a temperature of -25C is heated to 175C. What is the new volume of the gas if pressure and numb
    12·2 answers
  • Which bond does this picture best represent?
    5·1 answer
  • *<br> Do you think odor is a property? Explain your ideas.
    7·1 answer
  • Please help me! I would appreciate it if you can!
    10·1 answer
  • 12.0 grams of sodium reacts with 5.00 grams of chlorine. What mass of sodium chloride could be produced?
    9·1 answer
  • Maalox is the trade name for an antacid and antigas medication used for relief of heartburn, bloating, and acid indigestion. Eac
    8·1 answer
  • What is the frequency of yellow light with? e = 3.4 x 10 ^-19 j?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!