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postnew [5]
3 years ago
12

A sample of liquid ammonia has a density of 0.7 g/mL. Find the mass of a 20 mL

Chemistry
1 answer:
Jet001 [13]3 years ago
3 0

Answer:

Mass of liquid ammonia is 0.035g.

Explanation:

I hope this will help u

Have a nice day

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Smartphone batteries contain a casing that surrounds it that is made up out of aluminium. What would best describe the propertie
Vladimir79 [104]

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it contains the electricity of the battery

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6 0
2 years ago
NaF + HCL=> NACL + HF
Jobisdone [24]

Answer:

NaF + HCl --> NaCl + HF

Explanation:

hope it helps you

4 0
2 years ago
The pH of a solution is 2.0. Which statement is correct?
mamaluj [8]

Answer:

pH + pOH = 14,  [H₃0⁺] [0H⁻] = 10⁻¹⁴

Explanation:

When it comes to questions involving pH, the equations used are;

[H₃0⁺] [0H⁻] = 10⁻¹⁴

This equation shows the concentration of hydroxonium ions alongside that of the hydroxide ions.

pH + pOH = 14

If the value of either the pH of the pOH is know,one can calculate the value of the other using this equation.

4 0
3 years ago
ANSWER ASAP GIVING BRAINLIEST!
Yuri [45]

Answer:

Explanation:

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hope this helps!

8 0
2 years ago
In order to make 0.500 L of a 0.475 M solution, you will need to weigh out how many grams of sucrose (MM = 342 g/mol)?
elixir [45]

The first step to solve this problem is to multiply the volume of solution times its concentration to find the number of moles needed, remember that M=mol/L:

0.500L\cdot\frac{0.475mol}{L}=0.2375mol

Now, use the molar mass of sucrose to find the number of grams needed to make the solution. This is, multiply the number of moles needed times the molar mass:

0.2375mol\cdot\frac{342g}{mol}=81.225g

It means that to make 0.500L of a 0.475M you will have to weigh 81.225g of sucrose.

4 0
1 year ago
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