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bagirrra123 [75]
4 years ago
10

Question 1

Chemistry
1 answer:
Irina18 [472]4 years ago
8 0

Answer:

<em><u>= 0.1 M </u></em>

Explanation:

450mL = 0.45L

If 24g of a solute are weighed by 1 mole of solute

1.2g of a solute will be weighed by ( 1.2 ÷ 24 )

=<u> 0.05 moles of a solute.</u>

0.45L of a solution are occupied by 0.05 moles

1L will be occupied by ( 1÷0.45 ) × 0.05

= 0.1 M

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1.0566 gal. 


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4 years ago
How is the mass in grams of the element converted to amount in atoms
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A substance's molar mass is calculated by multiplying its relative atomic mass by the molar mass constant (1 g/mol). ... By multiplying a given mass by the molar mass, the amount of moles of the substance can be calculated.
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3 years ago
A 9-ounce of glass contains 72 milligrams of vitamin
sleet_krkn [62]
Answer: 7.2 ounces


Explanation:



1) Data:

<span>- glass size: 9-ounce
</span><span>
</span><span>- content of vitamin C: 72 milligrams
</span><span>
</span><span>
</span><span>- glasssize: x
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</span><span>- content of vitamin C: 60 milligrams
</span><span>
</span><span>
</span><span>2) Proportion
</span><span>
</span><span>
</span><span>9 ounces / 75 mg = x / 60 mg
</span><span>
</span><span>
</span><span>3) Solution:
</span><span>
</span><span>
</span><span>9 ounces × 60 mg = 75 mg × x
</span><span>
</span><span>
</span><span>⇒ x = 9 ounces × 60 mg / 75 mg = 7.2 ounces
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7 0
4 years ago
What is the answer to this problem?
julsineya [31]

Answer:

Ask your teacher

Explanation:

(use formula online)

3 0
3 years ago
George has a mass of 65kg. What would George weigh on the Moon? (The gravitational field strength on the Moon is 1.6N/kg.)
dem82 [27]

Answer:

\boxed{\large \text{104 N}}  

Explanation:

\text{Weight} = \text{65 kg} \times \dfrac{\text{1.6 N}}{\text{1 kg}} = \textbf{104 N}\\\\\text{George would weigh $\boxed{\large \textbf{104 N}}$ on the moon}

5 0
3 years ago
Read 2 more answers
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