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2 years ago

002 (part 1 of 2) 10.0 points

Chemistry

1 answer:

BARSIC [14]2 years ago

6 0

Answer:

4) 1.5 mol

Explanation:

Well, the equation is already balanced and the mole to mole ratio of reactants and products are all 1. So if the limiting reactant is HCl and you have 1.5 mol, you do the mole to mole ratio with NaCl and since it is 1 to 1, there'd be 1.5 mol of NaCl.

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If the density of methanol is 0.791g/ml, what is the mass of 0.750L of methanol

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Explanation:

$d = \frac{m}{v} \\ m = d \times v \\ m = 0.791 \times 750 \\ m = 593.25 \: g$

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2 years ago

How many ml of concentrated hydrochloric acid would be required to make 1 L of a 0.2 M solution? Assume that concentrated hydroc

fgiga [73]

<u>Answer:</u> The volume of concentrated hydrochloric acid required is 16.53 mL

<u>Explanation:</u>

To calculate the volume of concentrated solution, we use the equation:

$M_1V_1=M_2V_2$

where,

$M_1\text{ and }V_1$ are the molarity and volume of the concentrated solution

$M_2\text{ and }V_2$ are the molarity and volume of diluted solution

We are given:

Conversion factor: 1 L = 1000 mL

$M_1=12.1M\\V_1=?mL\\M_2=0.2M\\V_2=1L=1000mL$

Putting values in above equation, we get:

$12.1\times V_1=0.2\times 1000\\\\V_1=16.53mL$

Hence, the volume of concentrated hydrochloric acid required is 16.53 mL

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3 years ago

Which of the following is the best name for a compound made from nitrogen and oxygen? (N2O3) nitrogen oxide nitrogen II oxide ni

sergejj [24]

The best name for the compound is DINITROGEN TRIOXIDE.

Each chemical compound is always represented by a chemical symbol, which shows the ratio at which each atom of the elements of the compound are combine together and this is often used in naming the compound. Looking at the compound given in the question, the compound is made up of two atoms of nitrogen and three atoms of oxygen and this fact was used in naming the compound. In naming chemical compounds, 'Di' stands for 2 while 'Tri' stands for 3. Since there are two nitrogen and three oxygen atoms in the compound, that was why it was named dinitrogen trioxide.

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3 years ago

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Answer:

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Explanation:

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Answer:

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2 years ago