Ask question

Ask question

All categories

Keith_Richards [23]

3 years ago

5

A 0.08024 M solution of NaOH was used to titrate a solution of unknown concentration of HCl. A 32.08 mL sample of the HCl soluti

on required 16.30 mL of NaOH solution for complete reaction. What is the molarity of the HCl solution?

1 answer:

iris [78.8K]3 years ago

4 0

Answer:

0.08024

Explanation:

You might be interested in

Water (10 kg/s) at 1 bar pressure and 50 C is pumped isothermally to 10 bar. What is the pump work? (Use the steam tables.) -7.3

Andreyy89

Answer:

The pump work is 3451 kJ/s

Explanation:

Pump work (W) is calculated as

$W = (h_f - h_i) \times \dot{m}$

where

$h_f$ is the enthalpy of water at its final state

$h_i$ is the enthalpy of water at its initial state

$\dot{m} = 10 kg/s$ is water mass flow

For liquids, properties are evaluated as saturated liquid. From the figure attached, it can be seen that

$h_f = 762.81 kJ/kg$

$h_i = 417.46 kJ/kg$

Replacing

$W = (762.81 kJ/kg - 417.46 kJ/kg) \times 10 kg/s$

$W = 3451 kJ/s$

8 0

3 years ago

Lithium ions in Lithium selenide (Li2Se) have an atomic radius of 73 pm whereas the selenium ion is 184 pm. This compound is mos

NARA [144]

Explanation:

Formula according to the radius ratio rule is as follows.

$\frac{r_{+}}{r_{-}} = \frac{73}{184}$

= 0.397

According to the radius ratio rule, as the calculated value is 0.397 and it lies in between 0.225 to 0.414. Therefore, it means that the type of void is tetrahedral.

Thus, we can conclude that the given compound is most likely to adopt closest-packed array with lithium ions occupying tetrahedral holes.

3 0

3 years ago

Consider the reaction 2Na+ Cl2 - 2NaCl.<br> and is<br> Na is<br> Oxidized or reduced

jenyasd209 [6]

Na is reduce as it gain electron from cl

8 0

3 years ago

Read 2 more answers

do you think it is likely that a major volcanic eruption will occur on the mainland of the United States

ANEK [815]

Because the whole west coast is on the "ring of fire" witch has high volcanic activety and junk like that

8 0

3 years ago

Read 2 more answers

Describe the different “spheres” of the Earth, including the geosphere, hydrosphere, atmosphere, and biosphere.

Lana71 [14]

Answer: They are called spheres because they are round, just like the Earth. The four spheres are the geosphere (all the rock on Earth), hydrosphere (all the water on Earth), atmosphere (all the gases surrounding Earth), and biosphere (all the living things on Earth).

Explanation:

3 0

3 years ago

Read 2 more answers