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
AleksandrR [38]
3 years ago
13

What is the mass of 3.15 moles of calcium sulfate, CaSO4?

Chemistry
1 answer:
sammy [17]3 years ago
5 0

Answer:

3.15 * 136 (136 is the molar mass of calcium sulfate). = 428 g CaSO4.

Explanation:

You might be interested in
Which term best indicates the average mass of an atom of an element?
Firdavs [7]
The answer is the atomic mass.
8 0
3 years ago
Read 2 more answers
How many atoms are present in a sample of Potassium (K) weighing 33.49g?
madam [21]

Answer:

5.158 × 10²³ atoms K

General Formulas and Concepts:

<u>Chemistry - Atomic Structure</u>

  • Reading a Periodic Table
  • Using Dimensional Analysis
  • Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

Explanation:

<u>Step 1: Define</u>

33.49 g K

<u>Step 2: Identify Conversions</u>

Avogadro's Number

Molar Mass of K - 39.10 g/mol

<u>Step 3: Convert</u>

<u />33.49 \ g \ K(\frac{1 \ mol \ K}{39.10 \ g \ K} )(\frac{6.022 \cdot 10^{23} \ atoms \ K}{1 \ mol \ K} ) = 5.15797 × 10²³ atoms K

<u>Step 4: Check</u>

<em>We are given 4 sig figs. Follow sig figs and round.</em>

5.15797 × 10²³ atoms K ≈ 5.158 × 10²³ atoms K

3 0
3 years ago
Covalent bond of N and S
Mademuasel [1]

Answer:

Covalent bond between identical atoms

Covalent bonds occur between identical atoms or between different atoms whose difference in electronegativity is insufficient to allow transfer of electrons to form ions. ... The two hydrogen atoms are attracted to the same pair of electrons in the covalent bond.

8 0
2 years ago
I do not have a question anymore
IrinaK [193]

Answer:

I dont have a answer

Explanation:

4 0
3 years ago
Read 2 more answers
Vitamin C contains only carbon, hydrogen, and oxygen. When a 1.00 g was combusted, 1.4991 g of CO2 and 0.4092 g of H2O were obta
Alina [70]

The empirical formula for this vitamin : C₃H₄O₃

<h3>Further explanation   </h3>

The empirical formula is the smallest comparison of atoms of compound =mole ratio of the components

The principle of determining empirical formula

  • Determine the mass ratio of the constituent elements of the compound.  
  • Determine the mole ratio by dividing the percentage by the atomic mass

Mass of C in CO₂ :(MW C = 12 g/mol, CO₂=44 g/mol)

\tt \dfrac{12}{44}\times 1.4991=0.409~g

Mass of H in H₂O :(MW H = 1 g/mol, H₂O = 18 g/mol)

\tt \dfrac{2.1}{18}\times 0.4092=0.0455~g

Mass O = Mass sample - (mass C + mass H) :

\tt 1-(0.409+0.0455)=0.5455~g

mol ratio C : H : O =

\tt \dfrac{0.409}{12}\div \dfrac{0.0455}{1}\div \dfrac{0.5455}{16}\\\\0.0341\div 0.0455\div 0.0341\rightarrow 1\div 1.33\div 1=3\div 4\div 3

5 0
3 years ago
Other questions:
  • At a certain temperature, the reaction 2NO + Cl2 ⇌ 2NOCl has an equilibrium constant Kc of 45.0. A chemist creates a mixture wit
    5·1 answer
  • How do kidneys work with other body systems to maintain homeostatis
    11·1 answer
  • how many moles of hydrogen are evolved when an excess of sodium metal is added to one mole of citric acid?
    7·1 answer
  • The pressure within a 5.75L balloon is 2.00 atm. If the volume of the balloon increases to 8.45L, what will the final pressure w
    11·1 answer
  • Describe how to properly measure the volume of a liquid.
    6·2 answers
  • What is the transfer of heat by direct contact - occurs when the particles in a material collide with neighboring particles?
    12·1 answer
  • En la tabla periódica se encuentran diferentes tipos de elementos, entre ellos metales, no metales, metales de transición intern
    11·1 answer
  • Classify a bond between Carbon (EN = 2.6) and Oxygen (EN = 3.4).
    14·1 answer
  • Zinc metal can be obtained from Zinc Oxide by reaction at high temperature with CO. The CO is obtained from burning C in limited
    5·1 answer
  • HELP QUICK!!!!!!!!!!
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!