0
What else can I help you with?
What is the coefficient for na2co3 cacl2 caco3 nacl?
The balanced chemical equation for the reaction between Na2CO3 and CaCl2 to form CaCO3 and NaCl is: Na2CO3 + CaCl2 -> CaCO3 + 2NaCl. Therefore, the coefficients are 1, 1, 1, and 2 for Na2CO3, CaCl2, CaCO3, and NaCl respectively.
When calcium carbonate is heated strongly carbon dioxide gas is released CaCO3CaO CO2 what is the volume of CO2 measured stpis produced if 15.2 grams of caco3 is heated?
The molar mass of CaCO3 is 100.09 g/mol, and the molar mass of CO2 is 44.01 g/mol. By using stoichiometry, you can calculate that 15.2 grams of CaCO3 would produce 6.51 grams of CO2. Using the ideal gas law, you can then convert the mass of CO2 to volume using its molar volume at STP (22.4 L/mol). The volume of CO2 produced would be around 3.32 liters.
What is a chemical formula of calcite?
The chemical formula of calcite is CaCO3, which indicates that it is composed of one calcium atom, one carbon atom, and three oxygen atoms.
What is the balancing equation of hcl plus caco3--cacl2 plus h20 plus CO2?
The balanced equation for the reaction between hydrochloric acid (HCl) and calcium carbonate (CaCO3) is: 2HCl + CaCO3 -> CaCl2 + H2O + CO2.
What is the chemical formula for calcium and carbonate ion?
Calcium ion is Ca2+ and the carbonate ion is CO32-
How is alkalinity measured in water quality testing?
Alkalinity in water quality testing is measured by titrating the water sample with an acid solution to determine the amount of acid needed to neutralize the alkalinity. The results are typically reported in units of milligrams per liter (mg/L) of calcium carbonate (CaCO3).
How do you convert alkalinity as HCO3 to CaCO3?
To convert alkalinity (HCO3) to CaCO3, you need to use the molar mass ratio. For every mole of bicarbonate (HCO3), you have one mole of carbonate (CO3) in CaCO3. So, to convert, you can multiply the HCO3 concentration by a factor of 50.04 (molar mass of CaCO3/molar mass of HCO3).
What is the correct unit for alkalinity?
The correct unit for alkalinity is usually expressed in milligrams per liter (mg/L) or parts per million (ppm) of calcium carbonate (CaCO3) equivalent.
How acidity and alkalinity measured?
Using the pH scale.
How do you calculate the alkalinity?
Alkalinity can be calculated by titrating a water sample with a strong acid until the pH reaches a specific endpoint. The amount of acid required to reach this endpoint is used to determine the concentration of alkalinity in the water sample. Typically, alkalinity is expressed in units of milligrams per liter (mg/L) of calcium carbonate (CaCO3).
What does the mean of m alkalinity and p alkalinity water?
1. M-Alkalinity (also known as Total Alkalinity) measures the amount of carbonate, bicarbonate and hydroxide present in terms of "ppm as calcium carbonate". ( M-Alkalinity measurement is based on a sulphuric acid titration using a Methyl orange indicator that goes from yellow at a pH of 4.5 to orange at pH of 4.4 at the endpoint.) 2. P-Alkalinity measures the amount of carbonate and hydroxyl alkalinity present in terms of "ppm as calcium carbonate". P-alkalinity is measured down to a pH of 8.3. The M-alkalinity is measured down to a pH of 4.3.
How do you calculate p-alkalinity?
P-alkalinity, or phenolphthalein alkalinity, is calculated by titrating a water sample with a strong acid (commonly sulfuric or hydrochloric acid) until the pH drops to 8.3. The volume of acid used in the titration is measured and then converted to alkalinity using a specific formula, typically expressed in mg/L as CaCO₃. P-alkalinity primarily represents the concentration of bicarbonate and carbonate ions in the water.
What is the average alkalinity of a freshwater stream?
The average alkalinity of a freshwater stream typically ranges from 20 to 200 mg/L as calcium carbonate (CaCO3), though it can vary significantly depending on the geology of the watershed, land use, and seasonal factors. Alkalinity is a measure of the water's capacity to neutralize acids, largely influenced by the presence of bicarbonates, carbonates, and hydroxides. Streams in areas with limestone or other carbonate-rich soils generally have higher alkalinity compared to those in silicate-dominated regions. Monitoring alkalinity is essential for assessing water quality and ecosystem health.
What is acidity and alkalinity in H30 and OH?
In aqueous solutions, acidity refers to the concentration of H3O+ ions, which are formed when water molecules accept a proton (H+). Alkalinity refers to the concentration of OH- ions, which are formed when water molecules donate a proton. Acidity and alkalinity are measured on the pH scale, with pH values below 7 indicating acidity and values above 7 indicating alkalinity.
What is a Right Most digit mean?
What does this mean? The rightmost digit of {eq}n^j{/eq} is the remainder when {eq}n^j{/eq} is divided by {eq}10{/eq}. yep totaly nor random :))
What does the mean of m alkalinity and p alkalinity in boiler water?
1. M-Alkalinity (also known as Total Alkalinity) measures the amount of carbonate, bicarbonate and hydroxide present in terms of "ppm as calcium carbonate". ( M-Alkalinity measurement is based on a sulphuric acid titration using a Methyl orange indicator that goes from yellow at a pH of 4.5 to orange at pH of 4.4 at the endpoint.) 2. P-Alkalinity measures the amount of carbonate and hydroxyl alkalinity present in terms of "ppm as calcium carbonate". P-alkalinity is measured down to a pH of 8.3. The M-alkalinity is measured down to a pH of 4.3.
I was recently at the fish store and the salesman said that the reason for the high alkalinity in my tank was due to shells made of calcium. Why would Calcium be making my water more basic?
# The shells aren't made of calcium, they're made of calcium carbonate. # Calcium carbonate is the salt of a strong base and a weak acid, and is therefore weakly alkaline. I understand that you can make CaCO3 by the following process: HCO3 + CaOH => CaCO3 +H2O But once you have made CaCO3 ( a slightly alkaline salt) from the acid and base, what is happening to the CaCO3 in the H2O that is making the water more basic? In other words, how can CaCO3 have anything to do with the lone OH- ions present in the water?
