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
GaryK [48]
3 years ago
12

Determine the molecular weight of Ca3(PO4)2. 278.18 g 279.21 g 310.18 g 430.42 g

Chemistry
2 answers:
sergiy2304 [10]3 years ago
8 0

Answer:

The molecular weight of Ca_3(PO_4)_2 is 310.18 g/mol.

Explanation:

The molecular weight of Ca_3(PO_4)_2 :

Atomic mass of calcium = 40.08 g/mol

Atomic mass of phosphorous = 30.97 g/mol

Atomic mass of oxygen = 16.00 g/mol

Number of calcium atom = 3

Number of phosphorus atom =1 × 2

Number of oxygen atom =4 × 2 = 8

Molecular weight ofCa_3(PO_4)_2 = M

M=3\times 40.08 g/mol+2\times 30.97g/mol+8\times 16.00g/mol

M = 310.18 g/mol

Liula [17]3 years ago
3 0

Answer:

310.18g

Explanation:

The molar mass is 310.18 g/mol. To find the molar mass, you must find the atomic mass of each of the elements in the compound.

You might be interested in
The tiny fruit fly is a superstar of genetics research. Thousands of experiments have explored how flies inherit traits. Wing sh
Scrat [10]

Answer:

idk

Explanation:

4 0
3 years ago
51 liters of helium and 29 liters of oxygen (O2), both at 35°C and 1.0
Schach [20]

Answer:

If I have an unknown quantity of gas at a pressure of 1.2 atm, a volume of 31 liters, ... If I contain 3.0 moles of gas in a container with a volume of 60. liters and at a ... Mixtures of helium and oxygen are used in scuba diving tanks to help prevent ... volume of 5.00 Lat 25.0C. Calculate the partial pressure of each gas and the ...

Explanation:

8 0
3 years ago
What elements,compounds or mixtures that can be broken down into something simpler?
cupoosta [38]

Do you need examples or?

Elements can’t be broken down it’s already the most simplest substance ( eg.oxygen,carbon )- basically your whole periodic table

Compunds can be broken down into elements (eg. carbon dioxide and iron oxide)

Mixtures are just 2 or more compunds chilling with each other and can be broken down (eg. salt and water)
7 0
3 years ago
Complete and balance the following redox reaction in acidic solution As2O3(s) + NO3- (aq) → H3AsO4(aq) + N2O3(aq)
scoray [572]

Answer:

As_{2}O_{3}(s)+2NO_{3}^{-}(aq)+2H_{2}O(l)+2H^{+}(aq)\rightarrow 2H_{3}AsO_{4}(aq)+N_{2}O_{3}(aq)

Explanation:

Oxidation: As_{2}O_{3}(s)\rightarrow H_{3}AsO_{4}(aq)

  • Balance As: As_{2}O_{3}(s)\rightarrow 2H_{3}AsO_{4}(aq)
  • Balance H and O in acidic medium: As_{2}O_{3}(s)+5H_{2}O(l)\rightarrow 2H_{3}AsO_{4}(aq)+4H^{+}(aq)
  • Balnce charge: As_{2}O_{3}(s)+5H_{2}O(l)-4e^{-}\rightarrow 2H_{3}AsO_{4}(aq)+4H^{+}(aq)......(1)

Reduction: NO_{3}^{-}(aq)\rightarrow N_{2}O_{3}(aq)

  • Balance N: 2NO_{3}^{-}(aq)\rightarrow N_{2}O_{3}(aq)
  • Balance H and O in acidic medium: 2NO_{3}^{-}(aq)+6H^{+}(aq)\rightarrow N_{2}O_{3}(aq)+3H_{2}O(l)
  • Balance charge: 2NO_{3}^{-}(aq)+6H^{+}(aq)+4e^{-}\rightarrow N_{2}O_{3}(aq)+3H_{2}O(l)......(2)

Equation (1)+Equation (2) gives-

As_{2}O_{3}(s)+2NO_{3}^{-}(aq)+2H_{2}O(l)+2H^{+}(aq)\rightarrow 2H_{3}AsO_{4}(aq)+N_{2}O_{3}(aq)

3 0
3 years ago
Read 2 more answers
How do you know when a solution is saturated? _____________________________________________________ When a solution is saturated
mote1985 [20]

Answer:

If more solute is added and it does not dissolve, then the original solution was saturated

If more solute is added and it does not dissolve, then the original solution was saturated. If the added solute dissolves, then the original solution was unsaturated. A solution that has been allowed to reach equilibrium but which has extra undissolved solute at the bottom of the container must be saturate

Explanation:

5 0
3 years ago
Other questions:
  • How are children made?
    6·2 answers
  • The ph of a solution is a measurement of the concentration of ______ ions in the solution
    7·1 answer
  • When 4.96 g of a nonelectrolyte solute is dissolved in water to make 485 mL of solution at 27 °C, the solution exerts an osmotic
    5·1 answer
  • Products of MnO + CL2
    12·1 answer
  • How many moles of iron does 50.0 g of iron (Fe) represents?
    9·1 answer
  • During sporulation offspring develop from tiny structures called black
    10·2 answers
  • What do isotopes of an element contain?
    5·1 answer
  • How can a person reduce consumption of natural resources when drinking water? Assume that you are not going to change the amount
    7·1 answer
  • 5. How many moles are equal to 2.4 x 1023 formula units of sodium chloride?
    7·1 answer
  • A 10% bleach solution for disinfecting countertops can be prepared by: a. weighing the bleach and the water b. weight to volume
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!