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
MA_775_DIABLO [31]
2 years ago
14

A solution which is 38.0% w/w in k2cro4 has a specific gravity of 1.37. calculate the concentration in terms of molarity of chro

mate ion.
Mathematics
1 answer:
Makovka662 [10]2 years ago
7 0
When in aqueous solution, K2CrO4 dissociates into ions. It dissociates into:

K2CrO4 = 2K+1 + CrO4-1

We do as follows:

Molarity = mol / L = 0.38 g/g solution ( 1.37 g/mL ) ( 1 mol / 194.19 g ) ( 1 mol CrO4-1 / 1 mol K2CrO4 ) ( 1000 mL / 1 L ) =  2.68 M
You might be interested in
Can someone please help me??
butalik [34]

I do believe the answer is D

6 0
3 years ago
Bruce needs 30 five-foot pieces of rope for a school project. The hardware store
8090 [49]
He needs 50 yards of rope!
7 0
3 years ago
Read 2 more answers
A diamond shaped sign is a ______ sign
suter [353]

A warning/caution sign?

7 0
3 years ago
4. Jen makes a rectangular banner. It is 34 yard long and 14 yard wide. What is the area of the banner in square yards?
Brums [2.3K]
Area = Length x Width 

Area = 34 x 14 

Area = 476 yd²

Answer: 476 yd²
6 0
3 years ago
Read 2 more answers
How do I solve w+ 4 = 16​
UkoKoshka [18]

Answer:

w=12

you move and subtract 4 from 16

8 0
3 years ago
Read 2 more answers
Other questions:
  • PLEASE HELP <br><br><br><br><br><br> Note: Please explain your answer below in the answer box
    15·1 answer
  • The graph below show Layla’s Pay as a hairdresser. How much does Layla charge per haircut?
    11·1 answer
  • Factor completely and then place the factors in the proper location on the grid. 4y 2 + 25y + 6
    8·1 answer
  • (x-2)times (x^2+8x-1)
    5·1 answer
  • The angle of elevation from L to K measures 39°. If KL = 12, find JL. Round your answer to the nearest tenth.
    14·2 answers
  • What is the equation of the line that passes through (1, 2) and (8,9) in slope-intercept form?
    7·1 answer
  • What is the probability that the first marble is blue and the second marble is yellow?
    5·1 answer
  • If your smart please help me answer this question .
    5·1 answer
  • 1. Bethany wants to save $720 to buy a new computer. If she has 15 weeks to save the money, how much must she save each week?
    14·1 answer
  • Josefina lives near a duck pond. She wants to know how many ducks use the pond. She places leg bands on 12 ducks one day. A week
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!