From 400 mg of `C0_2`, `10^21` molecules are removed.. How many moles of `C0_2` are left behind?

From 200mg of CO_2, 10^21 molecules are removed. How many moles of CO_2 are left?

The shape of C0_2 molecule is similar to

10^(21) molecules of CO_(2) were expelled from 220 mg of CO_(2) . How many molecules of CO_(2) were left?

Calculate the number of molecules left when 10^(21) molecules of CO_(2) are removed from 200 mg of CO_(2) .

(d) How many molecules of O_(2) are combined with one molecule of Haemoglobin?

A sample of vitamic C is known to contain 1.29 xx10^(24) hyrogen atom. How many moles of hydrogen atoms does the sample contain?

In a chemical reaction A + 2B overset(rightarrow)(leftarrow)2C. 2.0 moles of ‘A’. 3 moles of B and 2.0 moles of C are placed in a 2.0 L flask and the equilibrium concentration of C is 0.5 mol//L . Calculate the equilibrium constant (k) for the reaction.

How many neutrons are present in 5 xx 10^-1 moles of C_6 ^14 ?

How many molecules of ATP and how many molecules of NADPH are spent to fix molecules of CO_(2) in clavin cycle ?

What is the amount of CO_2 will be produced from 10gm CaCO_3 reacting with hydrochloric acid? How many molecules of CO_2 will be produced.