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Illusion [34]
3 years ago
8

Answer is C

Chemistry
1 answer:
Vladimir [108]3 years ago
5 0

Answer:

c)

Explanation:

add water to the acid to decrease its molarity

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Balance the following chemical equation : C7H6O3 + C4H6O3 —> C9H8O4 + H2O
Nana76 [90]

Answer:

7C7H6O3 + 8C4H6O3 = 9C9H8O4·H2O

Explanation:

6 0
3 years ago
To what volume would you need to dilute 200 mL of a 5.85M solution of Ca(OH)2 to make it a 1.95M solution?
Blizzard [7]

Answer: 600 mL

Explanation:

Given that;

M₁ = 5.85 m

M₂ = 1.95 m

V₁ = 200 mL

V₂ = ?

Now from the dilution law;

M₁V₁ = M₂V₂

so we substitute

5.85 × 200 = 1.95 × V₂

1170 = 1.95V₂

V₂ = 1170 / 1.95

V₂ = 600 mL

Therefore final volume is 600 mL

8 0
3 years ago
a sample of gas with a mass of 1.70 g occupies a volume of 961 ml at a pressure of 728 torr and a temperature of 21°C. what is t
LuckyWell [14K]

<span>n = PV / RT = 733 torr *0.961 L / 62.363 L torr K^-1 mol^-1 * 294 K = 0.038419617 mol </span>
4 0
4 years ago
Calculate the percent yield of a reaction where a student collected 16.8 grams of product and was expecting to collect 49.7 gram
masya89 [10]

Answer:

\boxed{\text{33.8 \%}}

Explanation:

\text{\% yield} = \dfrac{\text{actual yield}}{\text {theoretical yield}} \times\text{100 \%}

Data:

        Actual yield = 16.8 g

Theoretical yield = 49.7 g

Calculation:

\text{\% yield} = \dfrac{\text{16.8 g}}{\text {49.7 g}} \times\text{100 \%} = \boxed{\textbf{33.8 \%}}

8 0
3 years ago
Name the alkaline earth metal with the highest ionization energy
Tresset [83]
I think its beryllium 

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6 0
3 years ago
Read 2 more answers
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