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One number is 13 less than another. twice the larger is equal to 7 times the smaller increased by 1. find the numbers.
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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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One number is 13 less than another. twice the larger is equal to 7 times the smaller increased by 1....
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