How many grams of NaCl are needed to prepare a 0.135m solution in 750 g of water? a. 101 g b. 5.9 g c. 0.101 g d. 5.6 g

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.