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How many hydrogen atoms are there in a 346 g sample of pure ammonia (
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Nine more than four times a number is the same as one less than twice the number. find the number?
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The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant. given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.
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How many hydrogen atoms are there in a 346 g sample of pure ammonia (...
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