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Why is it necessary to dissolve or rehydrate agar in freshly prepared distilled water?
Wiki User
∙ 12y ago
Simple answer is that the sample is soluble in water.
The primary reason to use distilled water is to maintain the purity of the sample. Municipal water is treated with chlorine to prevent bacterial growth, plus the water picks up traces of metal from the pipes, valves and tanks it travels through on the way to your faucet.
Wiki User
∙ 15y ago
Agar needs to be dissolved or rehydrated in freshly prepared distilled water to ensure that there are no impurities or contaminants present that could affect the growth of microorganisms in the agar medium. Using distilled water also helps prevent the introduction of unwanted bacteria or fungi that could compete with the intended microorganisms being cultured. Additionally, freshly prepared water helps maintain the proper pH and consistency of the agar medium for optimal growth conditions.
Wiki User
∙ 12y agosince agar medium is used for development of microbial colonies, freshly prepared distilled water is used to prevent contamination or formation of colonies of other unwanted microbes.
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To prepare a 10% glucose solution, you would mix 10 grams of glucose with enough water to make a total solution volume of 100 ml. This means the final solution would contain 10 grams of glucose and 90 ml of water.
How is a 10 percent - glucose in water - solution prepared?
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Distilled water, or de-ionised water would be used in a laboratory.
How is water prepared in the lab?
Distilled water, or de-ionised water would be used in a laboratory.
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First take 170g of NH3 . Then dissolve in 1L of water
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Lifetime operations.
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A red and white triangular sign at an intersection means?
Slow down and be prepared to stop if necessary.
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How do you prepared of 0.5 molar NaCl solution?
Dissolve 29,22 g NaCl p.a. in 1 L demineralized water at 20 0C, in a volumetric flask.
