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Ratling [72]
2 years ago
15

What mass of salt is needed to prepare 600 mL of a 4g/L solution?

Chemistry
1 answer:
OLga [1]2 years ago
5 0
THE ALTERNATIVE IS 4.8g alternative c
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Help ASAP 40 pts If answer 6
Olenka [21]

Answer:

1. B

2. C.

3. C

4. C.

5. A

6. B

Explanation:

i think?

3 0
3 years ago
Read 2 more answers
What are two elements that form diatonic molecules held together by triple covalent bond?
kodGreya [7K]

Explanation: -Nitrogen is the element that may form diatomic molecules held together by triple covalent bonds. -Nitrogen is an element that occurs as a diatomic molecule in its gaseous state. This element only exists in the diatomic form with triple bonds between the two atoms.

6 0
2 years ago
Number of electrons the atom my accept from another atom?
ZanzabumX [31]

Answer:

Yes atoms can accept the electrons from another atom like

Chlorine accept electron from hydrogen.

Explanation:

8 0
2 years ago
A lead–tin alloy of composition 30 wt% Sn–70 wt% Pb is slowly heated from a temperature of 150°C (300°F).(a) At what temperature
Novay_Z [31]

Answer:

a) 231.9 °C

b) 100% Sn

c) 327.5 °C

d) 100% Pb

Explanation:

This is a mixture of two solids with different fusion point:

Tf_{Pb}=327.5 C

Tf_{Sn}=231.9 C

<u>Given that Sn has a lower fusion temperature it will start to melt first at that temperature. </u>

So the first liquid phase forms at 231.9 °C and because Pb starts melting at a higher temperature, that phase's composition will be 100% Sn.

The mixture will be completely melted when you are a the higher melting temperature of all components (in this case Pb), so it will all in liquid phase at 327.5 °C.

At that temperature all Sn was already in liquid state and, therefore, the last solid's composition will be 100% Pb.

3 0
3 years ago
How many moles of nitrogen trifluoride (NF3) can be produced from 9.65 mole of Fluorine gas (F2)
user100 [1]

Answer:

6.43 moles of NF₃.

Explanation:

The balanced equation for the reaction is given below:

N₂ + 3F₂ —> 2NF₃

From the balanced equation above,

3 moles of F₂ reacted to produce 2 moles of NF₃.

Finally, we shall determine the number of mole of nitrogen trifluoride (NF₃) produced by the reaction of 9.65 moles of Fluorine gas (F₂). This can be obtained as follow:

From the balanced equation above,

3 moles of F₂ reacted to produce 2 moles of NF₃.

Therefore, 9.65 moles of F₂ will react to to produce = (9.65 × 2)/3 = 6.43 moles of NF₃.

Thus, 6.43 moles of NF₃ were obtained from the reaction.

4 0
2 years ago
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