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Gre4nikov [31]
3 years ago
8

If you have a pitcher of lemonade and the recipe calls for 2 lemons and you decided to use 4, would this be considered diluted o

r concentrated
Chemistry
1 answer:
pantera1 [17]3 years ago
7 0

Answer: This would be considered concentrated because if you're upping the recipe on your own accord, it would be way more sour, causing the lemonade to be more concentrated. It would be diluted if you added less than 2 lemons.

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Calculate the percentage by mass of the indicated element in the following compounds. Hydrogen in ascorbic acid, HC6H7O6, also k
Scorpion4ik [409]

Answer: The mass percent of hydrogen in ascorbic acid is 4.5 %

Explanation:

In C_6H_8O_6, there are 6 carbon atoms, 8 hydrogen atoms and 6 oxygen atoms.

To calculate the mass percent of element in a given compound, we use the formula:

\text{Mass percent of hydrogen}=\frac{\text{Mass of hydrogen}}{\text{Molar mass of ascorbic acid}}\times 100

Mass of hydrogen = 8\times 1g/mol=8g

Molar Mass of ascorbic acid =6\times 12g/mol+8\times 1g/mol+6\times 16g/mol=176g

Putting values in above equation, we get:

\text{Mass percent of hydrogen}=\frac{8g}{176}\times 100=4.5\%

Hence, the mass percent of of hydrogen in ascorbic acid is 4.5 %.

8 0
3 years ago
The change of state from a gas to a liquid. Single choice.
elena-14-01-66 [18.8K]
Precipitation :)
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4 0
3 years ago
The compound sodium carbonate is a strong electrolyte. Write the reaction when solid sodium carbonate is put into water:
Ludmilka [50]

The compound sodium carbonate is a strong electrolyte because it completely dissociates when placed in water into its component ions. The equation of the reaction can be expressed as:

Na_2CO_3_{(s)} ---> 2 Na^+_{(aq)} + CO_3^{(2+)}_{(aq)}

The dissociation leads to the formation of sodium and carbonate ions with the latter held together by its internal covalent bond.

This is unlike weak electrolytes that do not dissociate completely in water or aqueous solutions. Only a small fraction of the solute exists as ions in the solution.

More on strong and weak electrolytes can be found here: brainly.com/question/3410548

7 0
3 years ago
Properties of water what makes water so special
sertanlavr [38]
•boiling and freezing point
•surface tension
•vapor pressure
• solid state
•liquid state
•gaseous state
7 0
3 years ago
If the amount of copper is 6g and whole ratio to obtain copper sulfide is 4:1. How much sulfur is required for the reaction to o
Yuki888 [10]

Answer:

1.5g

Explanation:

According to this question, the amount of copper required to obtain copper sulfide in a 4:1 is 6g. This means that the ratio of copper to sulfur in the compound (copper sulfide) is 4:1.

Hence, to calculate the amount of sulfur required for the reaction to obtain copper sulfide using the above ratio, we say:

1/4 of the amount of copper required (6g)

= 1/4 × 6

= 6/4

= 1.5g of sulfur is required for the reaction to obtain carbon sulfide.

4 0
3 years ago
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