If sodium chloride has a solubility of 46.0 g of sodium chloride in 100g of water at 20 Celsius, how many grams of water are needed to prepare a saturated solution containing 135 g of sodium chloride.

The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll

What does a numerical subscript following an element in a chemical formula mean?

Scientists are often interested in knowing the molar heat of combustion – the heat released during the combustion of one mole of a substance. use the periodic table to find molar masses. how many moles of ethanol are present in the sample?