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trapecia [35]
3 years ago
9

How long must you immerse equipmemt and utensils in a non-chlorine sanitizing solution

Chemistry
1 answer:
Ivan3 years ago
4 0

A non-chlorine chemical such as iodine may be used as a sanitizing solution. To use iodine as a sanitizing solution, it should be around 12.5-25 ppm in water that is at least 75° F. Utensils and equipment must be immersed for only 30 seconds because it may lose its effectivity if the pH level gets too high due to high temperature. Discoloration may also result if the utensils and equipment are in prolonged contact with the solution.

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Which of the following theories provides information concerning both molecular shape and molecular bonding?
Alinara [238K]

I believe the answer is orbital hybridization theory

7 0
3 years ago
If the copper cube had a mass of 28.7 grams and a volume of 3.2 mL, what would its density be?
Otrada [13]

Answer:

ρ=m÷v

 =28.7÷3.2

 ≈8.97 g/m³

3 0
3 years ago
I don’t understand how to do this
djverab [1.8K]
Carbon dioxide is a carbon atom and two oxygen atoms, therefore CO2

For the others, they are hydrocarbons.
The first part of the name is determined by how many carbon atoms there are. The second part, is by the type. Alcohol, Alkane, Alkene, alkynes, acid, esters, amides.

7 0
3 years ago
How many grams of lead(II) sulfate (303 g/mol) are needed to react with sodium chromate (162 g/mol) in order to produce 0.162 kg
Afina-wow [57]

Answer : The mass of PbSO_4 needed are, 1.515 grams.

Explanation :

First we have to calculate the mole of PbCrO_4.

\text{Moles of }PbCrO_4=\frac{\text{Mass of }PbCrO_4}{\text{Molar mass of }PbCrO_4}=\frac{0.162g}{323g/mole}=0.005mole

Now we have to calculate the moles of PbSO_4.

The balanced chemical reaction will be,

PbSO_4+Na_2CrO_4\rightarrow PbCrO_4+Na_2SO_4[tex]From the balanced chemical reaction, we conclude thatAs, 1 mole of [tex]PbCrO_4 produced from 1 mole of PbSO_4

So, 0.005 mole of PbCrO_4 produced from 0.005 mole of PbSO_4

Now we have to calculate the mass of PbSO_4

\text{Mass of }PbSO_4=\text{Moles of }PbSO_4\times \text{Molar mass of }PbSO_4

\text{Mass of }PbSO_4=0.005mole\times 303g/mole=1.515g

Therefore, the mass of PbSO_4 needed are, 1.515 grams.

6 0
2 years ago
Help me please
kati45 [8]

Answ????

Explanation:

confused confused confused

5 0
3 years ago
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