QUESTION 1
What how many moles of silver are in 5.31 grams of silver? (You must give your answer to the correct number of sig figs.)
QUESTION 1 What how many moles of silver are in 5.31 grams of silver? (You must give...
How many grams of glucose (C6H12O6) are in 3.69 moles of glucose? Give your answer to three sig figs
How many grams of carbon atoms are present in a sample of C3H8 if there are 8.70 moles of hydrogen atoms in the sample? Enter your answer with the correct number of sig figs.
Question 1 1 pts How many moles of CaCl2 have you delivered to the flask if you add 20.53 mL of 0.511 M CaCl2 from the buret? (Just enter the number not the units. Sig figs are graded.) D Question 2 1 pts
1. How many moles are contained in 2.50 grams of benzoic acid? Molar mass of benzoic acid: 122.12 g/mol 2. How many mL are in 0.5 grams of cyclohexene? Density of cyclohexene is 0.809 g/ml 3. How many moles are in 250 mL of 2 M sodium hydroxide? 4. If 5.0 mL of 2-methyl-2-butanol are allowed to react with an excess of concentrated hydrochloric acid, what is the maximum mass of 2-chloro-2-methylbutane that can be obtained? 5. An acid-catalyzed dehydration...
1.How many moles of KCIO3 are in the original sample if 0.0452 moles of oxygen are formed from the decomposition of KCIO3? Answer to 3 sig figs 2. What is the molar mass of KCIO3? Answer to 4 sig figs
Calculate the number of moles in 7.67 grams of butane, C4H10. Enter your answer with the correct number of sig figs.
How many grams of bromine atoms are in 4.7 x 1022 molecules of diphosphorus tetrabromide (P2Br4)? Enter your answer with the correct number of sig figs.
Homework Question 8.02 Homework Unanswered How many moles of KCl would be present in 5.5 L of 2.10 M KCI? Enter your answer as a number with four sig figs.
How many moles of fluorine atoms are there in (3.20x1042) grams of SF4? Give your answer in scientific notation with 3 significant figures. Do not put your answer. Remember, in scientific notation you must include an exponent, even if that exponent is zero. any units in Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer
was wondering are these answers right ?
QUESTION 10 How many grams does 0.500 moles of copper (1) bromide weigh? 71.58 QUESTION 11 How many grams are there in 1.60 x 1024 molecules nitrogen dioxide, NO2? 122.28 QUESTION 12 How many grams are there in 2.30 x 1024 atoms of silver?