Chemistry, 15.12.2021 21:20 ErickN7597
How many significant figures should be reported in the answer to the following calculation? (43.980) × (19.0023 + 25) =
Answers: 2
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A2.5% (by mass) solution concentration signifies that there is a 2.5 % (by mass) solution concentration signifies that there is blank of solute in every 100 g of solution. of solute in every 100 g of solution
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State one important difference between a physical change and a chemical change?
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In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 4.20 mol fe and 6.70 mol nio(oh) react?
Answers: 3
How many significant figures should be reported in the answer to the following calculation?
(43.98...
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