How many NaCl formula units does it contain? Express your answer using two significant figures.
A salt crystal has a mass of 0.16 mg .
How Many NaCl Formula Units Does It Contain? express your answer using two significant figures
What is its mass in mg? Express your answer using two significant figures. V Αφ ? mg m = t A sugar crystal contains approximately 2.1x1017 (C12H22 O11) molecules. sucrose
Express your answer to three significant figures and include the appropriate units, The formula of Benadryl is C17H21NO. How many moles of C are present in 0.752 moles of Benadryl? How many moles of H are present in 2.20 moles of Benadryl? How many moles of N are present in 1.64 moles of Benadryl?
What is the formula weight of Mg(NO_3)_2? Express your answer to four significant figures and include the appropriate units. Calculate the formula weight of ethanol. C_2H_5OH. Express your answer to three significant figures and include the appropriate units.
How many moles of ibuprofen contain 1.51×10^23 atoms of carbon? Express your answer using three significant figures.
15 in Express your answer to two significant figures and include the appropriate units Value Units Submit Request Answer Part B 70 ft/s Express your answer to two significant figures and include the appropriate units. alue Units Submit An Part 50 mph Express your answer to two significant figures and include the appropriate units. Value Units Submit Part D 21 in Express your answer to two significant figures and Include the appropriate units. Value Units
Find A . Express your answer to three significant figures with appropriate units. Find B. Express your answer to three significant figures with appropriate units. Find C. Express your answer to three significant figures with appropriate units. Find ?1. Express your answer to three significant figures with appropriate units. Find D. Express your answer to three significant figures with appropriate units. Find E. Express your answer to three significant figures with appropriate units. Find F. Express your answer to three...
What is the final temperature in C? Express your answer using two significant figures Review A gas with an initial temperature of 820 ° C undergoes the process shown in (Figure 1). You may want to review (Pages 503 - 508) Figure 1 of 1 Submit Request Answer p (atm) 3 Part C How many moles of gas are there? Express your answer using two significant figures 0 V (cm3) 100 2 300 mol
How much current is needed? Review Express your answer using two significant figures You would like to store 8.8 J of energy in the magnetic field of a solenoid The solenoid has 570 circular turns of diameter 7.8 cm distributed uniformly along its 29 cm length Submit Request Answer Part B What is the magnitude of the magnetic field inside the solenoid? Express your answer using two significant figures Submit Request Answer Part C What is the energy density (energy/volume)...
1. Write the formula of the conjugate base for acid H2CO3. Express your answer as an ion. 2. Calculate the [OH−] of each aqueous solution with the following [H3O+]: stomach acid, 4.5×10−2M Express your answer using two significant figures. urine, 6.0×10−6M Express your answer using two significant figures. orange juice, 2.2×10−4M Express your answer using two significant figures. bile, 7.0×10−9M Express your answer using two significant figures. 3. Write a balanced equation for the neutralization of each of the following....
How many atoms are there in 2.30 g Hg? Express your answer using appropriate units and significant figures.