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DochEvi [55]
2 years ago
8

How many ounces are in 0.442 L? Use dimensional analysis to

Chemistry
1 answer:
vovangra [49]2 years ago
3 0

Answer:

14.945798 in us fluid ounce

Explanation:

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Lelu [443]
1 mole CO₂----------- 6.02x10²³ molecules
4 moles  CO₂ ---------- ??

4 x ( 6.02x10²³) / 1 =

= 2.41 x 10²⁴ / 1 => 2.41 x 10²⁴ molecules of CO₂

Answer C
4 0
3 years ago
Andrew walks through his garden and observes that the shapes of dewdrops are not always the same. Suppose he wants to investigat
Allisa [31]

Answer: A, C, E

Explanation: PLATO. all testable questions.

6 0
3 years ago
A saturated solution of baso4 has a concentration of 0.5mol/l. a 55ml sample is taken by you. what is the mass of baso4 in the s
SIZIF [17.4K]

Answer:

6.4 g BaSO₄

Explanation:

You have been given the molarity and the volume of the solution. To find the mass of the solution, you need to (1) find the moles BaSO₄ (via the molarity ratio) and then (2) convert moles BaSO₄ to grams BaSO₄ (via the molar mass). It is important to arrange the conversions in a way that allows for the cancellation of units (the desired unit should be in the numerator). The final answer should have 2 sig figs to reflect the sig figs of the given values.

Molarity (mol/L) = moles / volume (L)

(Step 1)

55 mL / 1,000 = 0.055 L

Molarity = moles / volume                             <----- Molarity ratio

0.5 (mol/L) = moles / 0.055 L                        <----- Insert values

0.0275 = moles                                             <----- Multiply both sides by 0.055

(Step 2)

Molar Mass (BaSO₄): 137.33 g/mol + 32.065 g/mol + 4(15.998 g/mol)

Molar Mass (BaSO₄): 233.387 g/mol

0.0275 moles BaSO₄          233.387 g
---------------------------------  x  -------------------  =  6.4 g BaSO₄
                                                1 mole

6 0
2 years ago
Which feature does an iron metal have?
notka56 [123]
A feature that an iron metal has is a sea of electrons
3 0
2 years ago
Please answer my questions. I really need them soon. I will post the links for other questions in the comments.
Assoli18 [71]

Explanation:

option option B is the correct answer of given statement helium-4(He)=2

6 0
2 years ago
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