4 years ago

What are the missing coefficients for the skeleton equation below?

Chemistry

2 answers:

neonofarm [45]4 years ago

8 0

1,2,2,1 is the answer

Marysya12 [62]4 years ago

3 0

1,2,2,1 i took the test

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What volume of 1.75 M hydrochloric acid (HCl aq) must be diluted with water to prepare 0.500 L of 0.250 M hydrochloric acid?

Airida [17]

Answer:

$V_1=0.0714L$

Explanation:

Hello there!

In this case, since we need to dilute the 1.75-M HCl, and the total number of moles remain unchanged, we can write:

$n_1=n_2$

And in terms of volume and concentration:

$C_1V_1=C_2V_2$

Thus, we can solve for the volume of the concentrated HCl as shown below:

$V_1=\frac{C_2V_2}{C_1}$

Therefore, we plug in the data to get:

$V_1=\frac{0.250M*0.500L}{1.75 M}\\\\V_1=0.0714L$

Best regards!

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3 years ago

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2 years ago

2 NaClO3→ 2 NaCl + 3 O2<br><br> How many moles of O2 are produced when 40g of NaCl are formed?

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Explanation:

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