JEE Main c11moleconcept — practice questions
12 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice JEE Main c11moleconcept in the app →Per NCERT Class 11 Chemistry, what is the SI definition of the MOLE — adopted in 2019 redefinition?Per NCERT, the AVOGADRO CONSTANT (N_A) has the approximate value of which?Per NCERT, an 'elementary entity' (whose mole is counted by Avogadro's number) can be which of these?Per NCERT, 1 mole of WATER MOLECULES contains how many water molecules?Per NCERT, what is the MASS PERCENTAGE of hydrogen in WATER (H₂O) — given molar masses C=12, H=1.008, O=16?Per NCERT, what is the MASS PERCENTAGE of oxygen in WATER (H₂O)?Per NCERT, what is the EMPIRICAL formula of a compound?Per NCERT, what is the MOLECULAR formula of a compound?Per NCERT, the empirical formula of glucose is CH₂O. Given molar mass = 180 g/mol, what is the MOLECULAR formuPer NCERT Problem 1.2, a compound has 4.07% H, 24.27% C, 71.65% Cl, with molar mass 98.96 g. What is its EMPIRPer NCERT Problem 1.2, what is the MOLECULAR formula of the compound (empirical CH₂Cl, molar mass 98.96 g)?Per NCERT, the MASS PER CENT of an element in a compound is calculated using which formula?