How many moles of water (h2o) are present in a beaker containing 45. 9 g h2o? give your answer to the correct number of significant figures. (molar mass of water = 18. 02 g/mol) 45. 9 g h2o = mol h2o.

By what percent will the product of two numbers change, if the first number increases by 70%, while the second number decreases by 40%.

Choose the best option to complete the statement. the purpose of the first phrase of the u.s. constitution, "we the people," is to demonstrate the power of the president to the people show the people that the government leaders are in charge show that the people created the government and that it exists for the people discourage enemihoees of the people from trying to interfere with our country

Rick is on a bicycle trip. every 4 days he bikes 230 km. if rick keeps this same pace for 16 days, how many kilometers will he bike?