Chemistry, 19.09.2019 13:30 maritzahernandez32
Carbon-14 has a half-life of 5,730 years. in how many years will 120 grams of carbon-14 decay to 15 grams? 11,460 years 17,190 years 22, 920 years 28,650 years
Answers: 1
Chemistry, 21.06.2019 18:30, tiwaribianca475
What volume of a 2.00 m stock solution of naoh is needed to prepare 150. ml of 0.40 m solution?
Answers: 2
Chemistry, 22.06.2019 12:30, kaliyab191
Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?
Answers: 2
Chemistry, 22.06.2019 22:10, steven0448
Determine the ph of 0.10 m nh3 solution. nh3 is a weak base with a kb equal to 1.8 x 10-5 round answer to nearest whole number.
Answers: 1
Carbon-14 has a half-life of 5,730 years. in how many years will 120 grams of carbon-14 decay to 15...
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