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How much salt and how much water must be mixed to make 250g brine solution that is 50% salt by mass?
Concentration = (mass of solute/mass of solution) ×10050=(mass of solute/250gm)×100mass of solute = 250×50/100mass of solute = 125 gm mass of solution = mass of solute + mass of...
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A water soluble salt is reacted separately with HCl, H SO and NaOH and form precipitates. When this salt is 2 4 heated thoroughly a black residue is formed liberating a gas. The salt is,
Sodium Chloride
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How much salt and how much water must be mixed to make 250 g brine solution that is 50% salt by mass?
The key is to recognize the percentage concentration is mass of solute divided by mass of solution, not the original solvent.If you add x grams of salt, the solution has...
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Can salt be lost during evaporation because after evaporating H20 from NaCl i was left with 0.1g of salt but using the equation m=n×M there should of been 0.1255g of salt. How was the salt lost?
Sodium chloride is not decomposed when heated in water and you could not lose it that way. It is lost due to experimental error (maybe spillage of the solution)
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Fermium-253 has a half life of 0.334 seconds. A radioactive sample is considered to be completely decayed after 10 half lives. How much time will elapse for this sample to be considered gone?
Therequired time is 0.334*10 = 3.34 seconds.
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One of the essential minerals in the human body is salt. How much salt (NaCl) is in the average adult human body?
Salt (NaCl) makes up around 0.4 % of the human body's weight. As a result, a 60 kg person contains approximately 240 g of sodium chloride.
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A solution consisting of acid HA and salt KA If the pH value before adding salt is 3 and after adding salt 5 Calculate the concentration of the added acid
Your question is not clear and detailed. Well, I presume you meant a substance (salt) was added to an acid with the PH of 3. After adding it the PH...
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How many milliliters of a 3% solution can be made if 6g of solute are available?
200 ml (p=1g/sm3)
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Why does an increase in demand for school bags during the start of an academic year raise the quantity of school bags demanded but not the quantity supplied?
Rise of demand for school bags at the start of school year shifts the demand curve to the right and new equilibrium price is higher than befor that. It is...
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An increase in demand during the start of an academic year for school bags raises the quantity of school bags demanded but not the quantity supplied
Manufacturers need more time to increase the quantity supplied while school opening takes approximately one week.Suppliers will need to study the market and increase the supply within one week which...
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