Chemistry, 06.06.2020 00:03 saintsfan2004
What is the chemical formula for the compound formed between sodium and sulfur?
Answers: 1
Chemistry, 21.06.2019 15:10
Seawater contains approximately 3.5%nacl by mass and has a density of 1.02 g/ml. what volume of seawater contains 7.5 g of sodium?
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Chemistry, 22.06.2019 10:10
Stage in which a starβs outer layers have started to cool and grow outward?
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Chemistry, 22.06.2019 14:00
The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.
Answers: 3
Chemistry, 22.06.2019 17:40
How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?
Answers: 3
What is the chemical formula for the compound formed between sodium and sulfur?...
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