4- Aşağıdakilerden hangisi uzay istasyonlarındaki astronotların kıyafetlerinin özelliği olamaz?
A) Sıcaklığı ayarlayabilme
B) Radyasyon geçirmeme C) Isıya dayanıklı olma
D) Pamuklu, doğal kumaş olma

Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.

How many moles are in 43.9 l of oxygen

If 15 drops of ethanol from a medical dropper weight 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? the density of ethanol is 0.80g/ml