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blsea [12.9K]
2 years ago
15

As a laboratory assistant, you measure chemicals using the metric system. For your current research, you need to measure out 45

grams of sodium chloride. The bottle you are using lists the amount in ounces. About how many ounces of sodium chloride will you need?​
Chemistry
1 answer:
xz_007 [3.2K]2 years ago
5 0

Answer:1.58733

Explanation: About one and one sixth ounces

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If 6.02×1023 atoms of element Y have a mass of 28.09 g, what is the identity of Y?
Mazyrski [523]

Silicon is the element having a mass of 28.09 g

<u>Explanation</u>:

  • Silicon is the element having an atomic mass of 28.09 g / mol. So 28.09 g of silicon contains 6.023 \times 10^23 atoms. One mole of each element can produce one mole of compound.
  • The Atomic weight of an element can be determined by the number of protons and neutrons present in one atom of that element. So atomic weight expressed in grams always contain the same number of atoms( 6.023 \times10^23).
  • Avagadro number is the number of atoms of 1 mole of any gas at standard temperature and pressure. It has been determined that 6.023 \times 10^23 atoms of an element are equal to the average atomic mass of that element.
8 0
3 years ago
A 1500 kg race car accelerates at a rate of about 9M /s2 as to how much force does the engine need to create for this to happen
IgorC [24]

Answer:

13500 N

Explanation:

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7 0
2 years ago
What is the formula for sulfur hexa fluoride?
vlabodo [156]
S2F6, is the correct answer I believe!
6 0
2 years ago
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A mutation occurs whenever one of the bases in DNA is changed. What letters represent those bases?
kenny6666 [7]
A: adenine
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5 0
2 years ago
What is the mole fraction of HCl in a solution that contains 0.99 mole HCl and 3.6 mole H2O
marysya [2.9K]

Answer:

  0.216

Explanation:

The mole fraction of HCl is the number of moles of HCl (0.99) divided by the total number of moles in the solution.

  mole fraction = (0.99)/(0.99 +3.6) = 0.2157

The mole fraction of HCl is about 0.216.

4 0
3 years ago
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