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
miv72 [106K]
3 years ago
13

7.no . with steps please anyone no spam

Chemistry
1 answer:
gulaghasi [49]3 years ago
6 0
  • Given mass=1.3g
  • Atomic mass=65u

Molar mass=65g/mol

Now

\boxed{\sf No\:of\:moles=\dfrac{Given\:Mass}{Molar\:Mass}}

\\ \rm\longmapsto No\:of\;Moles=\dfrac{1.3}{65}=0.02mol

You might be interested in
How many moles of Ag will be produced from 16.0 g of Cu, assuming AgNO3 is available in excess
madreJ [45]

Answer:0.504

Explanation:

4 0
3 years ago
To measure the amount of nickel in some industrial waste fluid, an analytical chemist adds sodium hydroxide solution to a sample
Cloud [144]

Answer:

The final balanced equation is

Ni2+ + 2NaOH --> Ni (OH)2 + 2Na+

Explanation:

It is given that sodium hydroxide is added to collect the solid nickel(II) hydroxide product

The empirical equation for this statement is

Ni2+ + NaOH --> Ni (OH)2 + Na+

We will first balance the hydroxide molecule. On the right side there are two OH molecules.

Thus, on the left side we will take 2 sodium hydroxide

Ni2+ + 2NaOH --> Ni (OH)2 + Na+

Now we will balance the sodium ion which are 2 in numbers on the left side and 1 on the right side

Ni2+ + 2NaOH --> Ni (OH)2 + 2Na+

So, the final balanced equation is

Ni2+ + 2NaOH --> Ni (OH)2 + 2Na+

8 0
3 years ago
Hat is the gram formula mass of caso4 •2h2o
Trava [24]
Your answer would be 172.1703 g/ml
7 0
3 years ago
Write the difference between isomerism and allotropy with one example each.
fredd [130]

Answer:

hope it helps ..

Explanation:

Allotropes can be defined as different types of compounds made out of the same single element but in different chemical formulas and different arrangements. Isomers can be defined as the chemical compounds that have a similar molecular formula but with different structural formulae. Graphite and Diamond.

7 0
3 years ago
What is the measure how heavy something is?
loris [4]

Answer:

Mass?

Explanation:

Hope it helps

5 0
3 years ago
Read 2 more answers
Other questions:
  • Which equation demonstrates that nuclear fusion forms elements that are heavier than helium?
    12·2 answers
  • Gallium is produced by the electrolysis of a solution made by dissolving gallium oxide in concentrated NaOH ( aq ) . Calculate t
    10·1 answer
  • Why does a permeable rock weather chemically at a fast rate?
    13·1 answer
  • which the following types of rocks can be found as a part of mountains? A_metamorohic. B_sedimentary. C-Igneous D- all of above
    13·1 answer
  • Difference between Atom and Molecule <br> In three points
    11·2 answers
  • Convert 0.859 mg to cg.<br> Help me plz :(
    9·1 answer
  • Predict the products of below reaction, and whether the solution at equilibrium will be acidic, basic, or neutral.
    15·1 answer
  • When heated, magnesium combines readily with excess oxygen in the air to produce magnesium oxide, as shown in the following unba
    12·1 answer
  • Which of these elements is the most ductile?
    14·1 answer
  • Convection currents in Earth's core transfer heat and material to the surface.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!