3 years ago

Is potassium borate soluble?

Chemistry

1 answer:

Burka [1]3 years ago

6 0

No it is not soluble

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Do subatomic particles have mass

katovenus [111]

Answer:

Yes

Explanation:

Masses for the three subatomic particles can be expressed in amu (atomic mass units) or grams. For simplicity, we will use the amu unit for the three subatomics. Both neutrons and protons are assigned as having masses of 1 amu each.

5 0

3 years ago

What is the concentration of a solution that has 15.0 g NaCl dissolved to a total of 750 ml?

Oksana_A [137]

<u>Answer:</u> The concentration of solution is 0.342 M

<u>Explanation:</u>

To calculate the molarity of solution, we use the equation:

$\text{Molarity of the solution}=\frac{\text{Mass of solute}\times 1000}{\text{Molar mass of solute}\times \text{Volume of solution (in mL)}}$

We are given:

Mass of solute (Sodium chloride) = 15 g

Molar mass of sodium chloride = 58.5 g/mol

Volume of solution = 750 mL

Putting values in above equation, we get:

$\text{Molarity of solution}=\frac{15g\times 1000}{58.5g/mol\times 750mL}\\\\\text{Molarity of solution}=0.342M$

Hence, the concentration of solution is 0.342 M

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3 years ago

Copy and balance these chemical equstions

lyudmila [28]

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3 years ago

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What is the atomic number for neon?

Anna35 [415]

Atomic Number for neon is 10

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4 years ago

solve the following and express your answer in the correct number of significant figures 9.11 × 10∧-11 ÷ 6.02 × 10∧23

Greeley [361]

I got 1.513289037E12

8 0

3 years ago