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
djyliett [7]
2 years ago
13

Please help i cant find any answers...

Chemistry
2 answers:
Hitman42 [59]2 years ago
8 0

Answer:

98.8

Explanation:

CsF + XeF6 --> CsXeF7

37.8g ................. ?g

37.8g CsF x (1 mol CsF / 151.9g CsF) x (1 mol CsXeF7 / 1 mol CsF) x (397.2g CsXeF7 / 1 mol CsXeF7) = 98.8g CsXeF7 .......... to three significant digits

N76 [4]2 years ago
3 0

Answer:

28.0

Explanation:

You might be interested in
If a measurement is said to be precise this means that it is what​
Gala2k [10]

On point? Do you have any options?

6 0
3 years ago
Read 2 more answers
A mixture of CuSO4 · 5H2O and MgSO4 · 7H2O is heated until all the water is lost. If 5.127 g of the mixture gives 2.817 g of the
Nadusha1986 [10]

Answer:

Let the mixture is X% by mass of CuSO

4

.5H

2

O and 100 - X % by mass of MgSO

4

.7H

2

O. 5.0 g of mixture will contain 0.05X g CuSO

4

.5H

2

O and 5.0 - 0.05X g MgSO

4

.7H

2

O

The molar masses of CuSO

4

.5H

2

O and MgSO

4

.7H

2

O are 249.7 g/mol and 246.5 g/mol respectively.

The number of moles of CuSO

4

.5H

2

O=

249.7

0.05X

=2.00×10

−4

X moles.

Explanation:

Pls mark it as branliest answere thanks

3 0
2 years ago
Cubic zirconia is a substance produced in a laboratory. It looks nearly identical to a diamond. Why is it not a mineral?
Lana71 [14]

Answer:

it is not naturally occuring

5 0
3 years ago
Read 2 more answers
HELP PLEASE! There is a water-filled continental rift in Iceland. What type of plate boundary would cause this rift? *
ad-work [718]
1.A- convergent
2.A- lower mantle

Good Luck!!
7 0
2 years ago
Read 2 more answers
A volume of 25.36 ± 0.05 mL 25.36±0.05 mL of HNO 3 HNO3 solution was required for complete reaction with 0.8311 ± 0.0007 g 0.831
Sholpan [36]

Answer:

MOLARITY= 0.3092mol/l

ABSOLUTE UNCERTAINTY= 0.000873

Explanation:

The equation of reaction is

2HNO3 + Na2CO3 ⟶ 2NaNO3 + H2O + CO2.

QUESTION1: CALCULATION FOR MOLARITY;

Molarity= gram mole of solute ÷ liters of solution

Where;

Mole of solute= mass ÷ molar mass

Therefore;

Mole of solute= 0.8311g ÷ 105.988g/mol= 0.0078515mol

MOLARITY= 0.0078415mol ÷ 25.36ml = 0.0003092mol/ml = 0.3092mol/l

This is the Molarity of the solution

QUESTION2: CALCULATION FOR ABSOLUTE UNCERTAINTY;

Uncertainty (u) =√([0.05 ÷ 25.36]^2 + [0.001 ÷ 105.988]^2 + [0.0007 ÷ 0.8311]^2) × Molarity

Solving brackets gives

(0.00197161+0.00000943503+0.00084226) ×Molarity

Adding up gives

0.002823×Molarity

Therefore;

ABSOLUTE UNCERTAINTY= 0.002823×0.3092= 0.000873

5 0
3 years ago
Other questions:
  • What is the value of [oh–] in a 0.820 m solution of sr(oh)2?
    11·1 answer
  • 3. How does this difference in language relate to our propensity to save?
    15·1 answer
  • A student was titrating the calcium and water solution and notice the formation of bubbles in the flask. which description would
    6·1 answer
  • Karen has a mass of 53 kg as she rides the up escalator at woodley park station of the washington
    7·1 answer
  • Describe the processes of succession that would occur after a new volcanic island emerges from the ocean.
    10·1 answer
  • The table shows the average number of pounds of trash generated per person per day in the United States from 1970 to 2010. Use t
    9·1 answer
  • BRAILY I NEED HELP ASAPP
    7·1 answer
  • What is the frequency of green light that has a wavelength of 5.14 x 10^-7m?
    8·1 answer
  • PLEASE HELP
    12·2 answers
  • HELP ME PLEASE!!!!
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!