How many moles are there 75.56 grams of KHCO3

Question

How many moles are there 75.56 grams of KHCO3

in progress 0
Thiên Ân 7 months 2021-07-11T13:11:56+00:00 1 Answers 4 views 0

Answers ( )

    0
    2021-07-11T13:13:24+00:00

    Explanation:

    mole = mass/molar mass

    molar mass of KHCO3 = K + H + C + O3

    39 + 1 + 12 + 3(16)

    = 100g/mol

    mass = 75.56

    mole = 75.56/100

    = 0.7556mol

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )