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tiny-mole [99]
2 years ago
7

Change 1m 31cm to cm​

Chemistry
2 answers:
Sever21 [200]2 years ago
8 0
Just turn the m to a cm which would be 100 meaning it is a 100cm the
100+31= 131cm
kondor19780726 [428]2 years ago
5 0

Answer:

131 cm

Explanation:

You've already got 31 cm, so put that aside and focus on the one meter. You know that 1 meter equals 100 centimetres so 100 cm + 31 cm equals 131 cm

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Suppose you are working in a chemistry lab and trying to make a solution of a substance called Sodium Chloride (which is a solid
Alenkasestr [34]

Answer:

a weighing balance, a measuring cylinder, a spatula, a beaker/flask, and a stirrer

Explanation:

The lab apparatus that would be needed to prepare a solution of sodium chloride would be <em>a weighing balance, a measuring cylinder, a spatula, a beaker/flask, and a stirrer.</em>

The weighing balance would be used to weigh out the required amount of sodium chloride. The beaker or flask would be placed on the weighing balance and its weight zeroed. The spatula would then be sued to take out the sodium chloride from its container into the beaker till the required amount is reached. The measuring cylinder would then be used to measure out the required volume of water which would be added to the salt in the beaker. The stirrer would then be used to stir the mixture in order for the salt to dissolve.

7 0
2 years ago
Identify this molecule
Ierofanga [76]
My guess on that molecule is nucleus , sorry if it’s not correct
7 0
3 years ago
How many moles of sodium ions are present in 0.25 kg of a 2.0 m solution of sodium chloride in water
LenKa [72]

0.50 is the answer on edge

8 0
3 years ago
How many moles of PC15 can be produced from 58.0 g of Cl₂ (and excess<br> P4)?
ludmilkaskok [199]

0.3268 moles of PC15 can be produced from 58.0 g of Cl₂ (and excess

P4)

<h3>How to calculate moles?</h3>

The balanced chemical equation is

P_{4}  + 10Cl_{2}  = 4PCl_{5}

The mass of clorine is m(Cl_{2}) = 58.0 g

The amount of clorine is n(Cl_{2}) = m(Cl_{2})/M(Cl_{2}) = 58/70.906 = 0.817 mol

The stoichiometric reaction,shows that

10 moles of Cl_{2} yield 4 moles of PCl_{5};

0.817 of Cl_{2} yield x moles of PCl_{5}

n(PCl_{5}) = 4*0.817/10 = 0.3268 mol

To know more about stoichiometric reaction, refer:

brainly.com/question/14935523

#SPJ9

3 0
1 year ago
Help, please!! If an object with a mass of 4.2 kg accelerates at 2.6 m/s2, what was the force exerted?
Paha777 [63]
10.92N

Force = mass x acceleration
4.2kg x 1.6m/s^2 = 10.92N
6 0
2 years ago
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