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To raise KH and pH, add baking soda (sodium bicarbonate).

These bacteria aren't necessarily the kind that make you sick, but they will start to grow and will begin to break down the orange juice. It will start to ferment-if you taste it it will be bubbly and will taste sour from the build up of acids - possibly acetic acid from the alcohol. Is there an EEI in this? There certainly is and it needs careful consideration about controlling variables and you need to think about what acids are present besides citric and ascorbic. What variable might you manipulate? The total acidity can be measured by titration with sodium hydroxide.

Sodium hydrogen carbonate NaHCO3 also known as sodium bicarbonate or "bicarb of soda" - is an important component in various pharmaceutical drugs (tablets, capsules, syrups) and cooking (scones, cakes). Because of its widespread use, the stability of sodium bicarbonate in solid state, both as a raw material and as a formulation component, is of high interest to the pharmaceutical and food technology scientists.

The trial with six grams of sodium bicarbonate provided the best results for our experiment.

The Effect of the Amount of Sodium Bicarbonate …

Obtain two separate cups labeled heated water solution and bicarbonate solution.2.

What is the environmental affect of the rate of photosynthesis?
The use of not enough bicarbonate solution will affect the rate of photosynthesis

This process takes place in the chloroplasts, using chlorophyll, the energy-capturing molecule of photosynthesis
- Baking soda -Three beakers
- Liquid soap -Heating source
- Syringe -Light Source
- Spinach leaves -Hole punch
- 4 clear, plastic cups -Ruler
-Timer -Pipette
Results (heated):
# of min # of leaf disks floating
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 0
9 0
10 0
11 0
12 0
13 0
14 0
15 0
16 0
17 0
18 0
19 0
20 0
It came to a conclusion that in the controlled data set of leaves, the number of leaf disks floating rose, because of the bicarbonate solution and photosynthesis.

What is the purpose of sodium bicarbonate in photosynthesis

How could one minimize human error in future labs?
Working the vacuum properly, using enough bicarbonate solution, and not boiling the water, to avoid denaturing the cells


Another way to utilize NilocG Enhance Seachem Flourish Excel for bioavailable carbon (CO2) in a better, staggered way, rather than all at once, is a calibrated drip system.
In this experiment I was able to get 20 drops per minute. I measured 20 drops and this was equal to a ¼ tsp. So 4 minutes would equal 1 tsp. There are 6 tsp in one fluid ounce. So at this rate you will go through a ounce in 24 minutes. Add the correct dosage for your aquarium size then add the water (RO or DI water is best to mix with Flourish).

Example: For a 50 gallon planted aquarium you would add one capful (5 mL) of Flourish Excel (or 5 mL of NilocG Enhance). Then, depending upon how long you would like to stagger the drip would determine the amount of water. For this example I would suggest 20 oz. of water to mix for 8 hours of drip (24 minutes per ounce x 20 ounces water/Flourish Excel solution).
With larger containers, longer dosing times can be achieved.
However, even though Flourish Excel or Enhance can remain active for 24 hours, from my experience I would suggest 8 hours for best results (keeping in mind that CO2 is not utilized by plants after dark as they use oxygen instead during non-photosynthetic periods).

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Pull a small volume of sodium bicarbonate solution into the syringe.

what was purpose of the sodium bicarbonate solution

Pull 5cc of bicarbonate solution into this syringe

Purpose: to design and conduct an experiment to explore the factor that heat has on the rate of cellular photosynthesis
Hypothesis: the leaf disks will remain at the bottom of the syringe.

What is the purpose of the sodium bicarbonate solution?

It will be very interesting to see how light will influence the rate of photosynthesis in plants and what will happen if they do not get the required light in order to produce starch .

Baking soda (sodium bicarbonate, Na HCO3) ..

6CO + 6H O ® C H O + 12O (in the presence of light energy and chlorophyll) Aim- The aim of the experiment is to determine what effect light intensity has upon the rate of photosynthesis of Canadian Pondweed (Elodea)....

Sodium Bicarbonate Oral : Uses, Side Effects, …

While leaf disks normally float, air spaces are infiltrated with solution and the overall density of the leaf disk increases and the disk sinks.
This infiltrated solution includes sodium bicarbonate which serves as the carbon source for photosynthesis.

Photosynthesis Lab - AP BIOLOGY FINAL

There is one main way for measuring total acidity and that is with a titration against sodium hydroxide using a phenolphthalein indicator. There is a problem in measuring acidity is when you have red wine as the pigments disguise the indicator colour change. Chemistry teacher Gareth Whittaker from Mary MacKillop College, Brisbane, advises the use of a pH probe rather than an acid-base indicator; and titrating to an end-point of pH 8.2 (this is called a titration to distinguish it from a titration which uses a colour-change indicator). The method he uses (O24A-FD) comes from the , AOAC. to download a copy. A pH of 8.2 is the international standard for TA endpoints in wine.

19/10/2012 · The Effects of Carbon Dioxide on the ..

While most of these are great products and are excellent for koi ponds and water gardens, there are other water conditioners more appropriate for large, multi acre ponds.

Large, natural pond owners find it more cost effective to buy bulk products like sodium bicarbonate for pH buffering, calcium carbonate (agricultural lime) or calcium sulfate (agricultural gypsum) to settle mud and clay and sodium thiosulfate pentahydrate crystals to dechlorinate when necessary.

Indicator of photosynthesis as related to the lab

This desire to discover new ways of producing clean energy has lead scientists at Stanford University and other universities to discover a way to harness the electricity produced during the process of photosynthesis.

Photosynthesis - Illinois Institute of Technology

You need to create what is called a Ginger Beer Plant. Put 15g of general purpose dried yeast into a large jar or bowl, add 300mL water, 2 teaspoons ground ginger and 2 teaspoons sugar. Cover with a sheet of cling film and secure with a rubber band. Each day, for seven days, add 1 teaspoon of ginger and 1 teaspoon of sugar to the mixture in the jar. Now strain the mixture through a piece of fine muslin and add the juice of two lemons to the liquid. Add 50g or sugar to the liquid and make up to 4.5 litres with cold water, stirring to dissolve the sugar. Bottle into a plastic bottle Keep for 7-10 days when the ginger beer is sparkling and ready for drinking.

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