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What is the value of the expression shown below? 7 + (2 + 6) 2 ÷ 4 ⋅ (5 points) 23 18 9 8
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(a) calculate the molarity of a solution that contains 0.0345 mol nh4cl in 400 ml of solution. (b) how many moles of hno3 are present in 35.0 ml of a 2.20 m solution of nitric acid? (c) how many milliliters of 1.50 m koh solution are needed to supply 0.125 mil of koh ?
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What is sin 7x/4 ? i need on this urgent trig
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Awater tank holds 18000 gallons. how long will it take for the water level to reach 6000 gallons if the water is used at anaverage rate of 450 gallons per day
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What is the value of the expression shown below? 7 + (2 + 6) 2 ÷ 4 ⋅ (5 points) 23 18 9 8...
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