Ответ:
дано
V(H2O) = 288 mL
m(NaNO3) = 36 g
----------------------
W(NaNO3) - ?
p(H2O) = 1 g/ml
m(H2O) = V(H2O) * p(H2O) = 288 * 1 = 288 g
m(ppa ) = m(H2O) + m(NaNO3) =288+ 36 =324 g
W(NaNO3) = m(NaNO3) / m(ppa) * 100% = 36 / 324 *100% =11.11%
ответ 11.11 %
Объяснение:
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Verified answer
Ответ:
дано
V(H2O) = 288 mL
m(NaNO3) = 36 g
----------------------
W(NaNO3) - ?
p(H2O) = 1 g/ml
m(H2O) = V(H2O) * p(H2O) = 288 * 1 = 288 g
m(ppa ) = m(H2O) + m(NaNO3) =288+ 36 =324 g
W(NaNO3) = m(NaNO3) / m(ppa) * 100% = 36 / 324 *100% =11.11%
ответ 11.11 %
Объяснение: