Determine molarity of a solution when 2.25 g naf is dissolve
What is the molarity of a solution when 2.25 g NaF is dissolved in enough water to make 250.0 mL of solution?
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What mass of ethanol, C2H5OH (a non-electrolyte), must be added to 10.0 L of water to obtain a solution that freezes at -10 ° C? Assuming that the density of water is 1.0 g / mL.
Two stationary positive point charges, charge 1 of magnitude 4.00 nC and charge 2 of magnitude 1.80 nC , are separated by a distance of 44.0 cm. An electron is released from rest at the point midway between the two charges, and it moves along the
How many 101 W lightbulbs can you use in a 120 V circuit without tripping a 13 A circuit breaker? (The bulbs are connected in parallel, which means that the potential difference across each lightbulb is 120 V.)
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Which concentration is consistent with a basic solution?
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An empty flask has a mass of 123.4 g. When the flask is filled with water, the mass is 211.6 g. If 10.0 g of zinc (d = 7.14 g/cm3) are added to the flask filled with water (and the sides of the flask are dried from the displaced water) what is the
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