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How many 250 mg tablets are needed to make 50 ml if the concentration is to be 500 mg per 5 ml?
To make 50 ml of a solution with a concentration of 500 mg per 5 ml, you would need to calculate the total amount needed: 50 ml / 5 ml = 10 units of 5 ml that are needed. Since each unit of 5 ml requires 500 mg, you would need 10 units x 500 mg = 5000 mg. To find out how many 250 mg tablets are needed to make 5000 mg, you would divide 5000 mg by 250 mg per tablet, which equals 20 tablets needed.
What is 1000 grains of silver worth?
The value of 1000 grains of silver fluctuates based on the current market price of silver. As of August 2021, 1 grain of silver is roughly worth $0.56, so 1000 grains would be worth around $560.
What element has twenty neutrons?
Calcium has twenty protons and twenty electrons. The main isotope of calcium also has twenty neutrons.
Where do amino acid come from?
AMINO ACIDS are found in all foods except oil. Despite claims to the contrary, all vegetables, legumes, and grains contain all the essential amino acids. They may not contain high amounts of some, but, if combined with another vegetable source, all the essential amino acid requirements are met. There are about eighty amino acids found in nature, but only twenty to twenty-nine are required for human growth. This figure depends upon the source consulted but most agree the figure is twenty or twenty-one. Once again, depending on the source, eight to ten amino acids are considered essential for life.
How much Magnesium Carbonate is needed to buffer a solution of twenty litres with pH 2.75 consisting of Cl in water to a pH of 5.4?
Sorry, I mean a HCl solution in water, not Cl.
