If sodium chloride has a solubility of 46.0 g of sodium chloride in 100g of water at 20°C, how many grams of water are needed to prepare a saturated solution containing 205 g of sodium chloride.
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If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a

Time remaining 58: 10 an atom that has 84 protons and 86 neutrons undergoes a reaction. at the end of the reaction, it has 82 protons and 84 neutrons. what happened to the atom? it accepted radiation in a chemical reaction it donated neutrons to another atom in a chemical reaction it emitted an alpha particle in a nuclear reaction. it accepted protons in a nuclear reaction. mark this and retum save and exit next submit

Why are enzymes important to cells? they bring about chemical reactions. they provide structural support. they form the two layers of membranes. they store large quantities of energy.